gcc – C++ Concepts – Concept in the requires parenthesis causes 2 …

June 28, 2025

Also note that I removed && from each of the parameter declarations in the requirement parameter list. The whole requires expression is an unevaluated context, and no arguments are actually passed.

https://stackoverflow.com/questions/62061706/c-concepts-concept-in-the-requires-parenthesis-causes-2-conflicting-error-me

gcc – C++ Concepts – Concept in the requires parenthesis causes 2 … <body> <h1> Array ( [0] => fcc – c++ concepts – concept in the requires parenthesis causes 2 … [1] => vcc – c++ concepts – concept in the requires parenthesis causes 2 … [2] => bcc – c++ concepts – concept in the requires parenthesis causes 2 … [3] => hcc – c++ concepts – concept in the requires parenthesis causes 2 … [4] => ycc – c++ concepts – concept in the requires parenthesis causes 2 … [5] => tcc – c++ concepts – concept in the requires parenthesis causes 2 … [6] => gxc – c++ concepts – concept in the requires parenthesis causes 2 … [7] => gvc – c++ concepts – concept in the requires parenthesis causes 2 … [8] => gfc – c++ concepts – concept in the requires parenthesis causes 2 … [9] => gdc – c++ concepts – concept in the requires parenthesis causes 2 … [10] => gcx – c++ concepts – concept in the requires parenthesis causes 2 … [11] => gcv – c++ concepts – concept in the requires parenthesis causes 2 … [12] => gcf – c++ concepts – concept in the requires parenthesis causes 2 … [13] => gcd – c++ concepts – concept in the requires parenthesis causes 2 … [14] => gcc ᰫ c++ concepts – concept in the requires parenthesis causes 2 … [15] => gcc &#u211; c++ concepts – concept in the requires parenthesis causes 2 … [16] => gcc &#i211; c++ concepts – concept in the requires parenthesis causes 2 … [17] => gcc ⏻ c++ concepts – concept in the requires parenthesis causes 2 … [18] => gcc ᾯ c++ concepts – concept in the requires parenthesis causes 2 … [19] => gcc &#8q11; c++ concepts – concept in the requires parenthesis causes 2 … [20] => gcc &#8w11; c++ concepts – concept in the requires parenthesis causes 2 … [21] => gcc ⁷ c++ concepts – concept in the requires parenthesis causes 2 … [22] => gcc ” c++ concepts – concept in the requires parenthesis causes 2 … [23] => gcc &#82q1; c++ concepts – concept in the requires parenthesis causes 2 … [24] => gcc — c++ concepts – concept in the requires parenthesis causes 2 … [25] => gcc &#821q; c++ concepts – concept in the requires parenthesis causes 2 … [26] => gcc – x++ concepts – concept in the requires parenthesis causes 2 … [27] => gcc – v++ concepts – concept in the requires parenthesis causes 2 … [28] => gcc – f++ concepts – concept in the requires parenthesis causes 2 … [29] => gcc – d++ concepts – concept in the requires parenthesis causes 2 … [30] => gcc – c++ xoncepts – concept in the requires parenthesis causes 2 … [31] => gcc – c++ voncepts – concept in the requires parenthesis causes 2 … [32] => gcc – c++ foncepts – concept in the requires parenthesis causes 2 … [33] => gcc – c++ doncepts – concept in the requires parenthesis causes 2 … [34] => gcc – c++ cincepts – concept in the requires parenthesis causes 2 … [35] => gcc – c++ ckncepts – concept in the requires parenthesis causes 2 … [36] => gcc – c++ clncepts – concept in the requires parenthesis causes 2 … [37] => gcc – c++ cpncepts – concept in the requires parenthesis causes 2 … [38] => gcc – c++ c0ncepts – concept in the requires parenthesis causes 2 … [39] => gcc – c++ c9ncepts – concept in the requires parenthesis causes 2 … [40] => gcc – c++ cobcepts – concept in the requires parenthesis causes 2 … [41] => gcc – c++ comcepts – concept in the requires parenthesis causes 2 … [42] => gcc – c++ cojcepts – concept in the requires parenthesis causes 2 … [43] => gcc – c++ cohcepts – concept in the requires parenthesis causes 2 … [44] => gcc – c++ conxepts – concept in the requires parenthesis causes 2 … [45] => gcc – c++ convepts – concept in the requires parenthesis causes 2 … [46] => gcc – c++ confepts – concept in the requires parenthesis causes 2 … [47] => gcc – c++ condepts – concept in the requires parenthesis causes 2 … [48] => gcc – c++ concwpts – concept in the requires parenthesis causes 2 … [49] => gcc – c++ concspts – concept in the requires parenthesis causes 2 … [50] => gcc – c++ concdpts – concept in the requires parenthesis causes 2 … [51] => gcc – c++ concrpts – concept in the requires parenthesis causes 2 … [52] => gcc – c++ conc4pts – concept in the requires parenthesis causes 2 … [53] => gcc – c++ conc3pts – concept in the requires parenthesis causes 2 … [54] => gcc – c++ conceots – concept in the requires parenthesis causes 2 … [55] => gcc – c++ concelts – concept in the requires parenthesis causes 2 … [56] => gcc – c++ conce-ts – concept in the requires parenthesis causes 2 … [57] => gcc – c++ conce0ts – concept in the requires parenthesis causes 2 … [58] => gcc – c++ conceprs – concept in the requires parenthesis causes 2 … [59] => gcc – c++ concepfs – concept in the requires parenthesis causes 2 … [60] => gcc – c++ concepgs – concept in the requires parenthesis causes 2 … [61] => gcc – c++ concepys – concept in the requires parenthesis causes 2 … [62] => gcc – c++ concep6s – concept in the requires parenthesis causes 2 … [63] => gcc – c++ concep5s – concept in the requires parenthesis causes 2 … [64] => gcc – c++ concepta – concept in the requires parenthesis causes 2 … [65] => gcc – c++ conceptz – concept in the requires parenthesis causes 2 … [66] => gcc – c++ conceptx – concept in the requires parenthesis causes 2 … [67] => gcc – c++ conceptd – concept in the requires parenthesis causes 2 … [68] => gcc – c++ concepte – concept in the requires parenthesis causes 2 … [69] => gcc – c++ conceptw – concept in the requires parenthesis causes 2 … [70] => gcc – c++ concepts ᰫ concept in the requires parenthesis causes 2 … [71] => gcc – c++ concepts &#u211; concept in the requires parenthesis causes 2 … [72] => gcc – c++ concepts &#i211; concept in the requires parenthesis causes 2 … [73] => gcc – c++ concepts ⏻ concept in the requires parenthesis causes 2 … [74] => gcc – c++ concepts ᾯ concept in the requires parenthesis causes 2 … [75] => gcc – c++ concepts &#8q11; concept in the requires parenthesis causes 2 … [76] => gcc – c++ concepts &#8w11; concept in the requires parenthesis causes 2 … [77] => gcc – c++ concepts ⁷ concept in the requires parenthesis causes 2 … [78] => gcc – c++ concepts ” concept in the requires parenthesis causes 2 … [79] => gcc – c++ concepts &#82q1; concept in the requires parenthesis causes 2 … [80] => gcc – c++ concepts — concept in the requires parenthesis causes 2 … [81] => gcc – c++ concepts &#821q; concept in the requires parenthesis causes 2 … [82] => gcc – c++ concepts – xoncept in the requires parenthesis causes 2 … [83] => gcc – c++ concepts – voncept in the requires parenthesis causes 2 … [84] => gcc – c++ concepts – foncept in the requires parenthesis causes 2 … [85] => gcc – c++ concepts – doncept in the requires parenthesis causes 2 … [86] => gcc – c++ concepts – cincept in the requires parenthesis causes 2 … [87] => gcc – c++ concepts – ckncept in the requires parenthesis causes 2 … [88] => gcc – c++ concepts – clncept in the requires parenthesis causes 2 … [89] => gcc – c++ concepts – cpncept in the requires parenthesis causes 2 … [90] => gcc – c++ concepts – c0ncept in the requires parenthesis causes 2 … [91] => gcc – c++ concepts – c9ncept in the requires parenthesis causes 2 … [92] => gcc – c++ concepts – cobcept in the requires parenthesis causes 2 … [93] => gcc – c++ concepts – comcept in the requires parenthesis causes 2 … [94] => gcc – c++ concepts – cojcept in the requires parenthesis causes 2 … [95] => gcc – c++ concepts – cohcept in the requires parenthesis causes 2 … [96] => gcc – c++ concepts – conxept in the requires parenthesis causes 2 … [97] => gcc – c++ concepts – convept in the requires parenthesis causes 2 … [98] => gcc – c++ concepts – confept in the requires parenthesis causes 2 … [99] => gcc – c++ concepts – condept in the requires parenthesis causes 2 … [100] => gcc – c++ concepts – concwpt in the requires parenthesis causes 2 … [101] => gcc – c++ concepts – concspt in the requires parenthesis causes 2 … [102] => gcc – c++ concepts – concdpt in the requires parenthesis causes 2 … [103] => gcc – c++ concepts – concrpt in the requires parenthesis causes 2 … [104] => gcc – c++ concepts – conc4pt in the requires parenthesis causes 2 … [105] => gcc – c++ concepts – conc3pt in the requires parenthesis causes 2 … [106] => gcc – c++ concepts – conceot in the requires parenthesis causes 2 … [107] => gcc – c++ concepts – concelt in the requires parenthesis causes 2 … [108] => gcc – c++ concepts – conce-t in the requires parenthesis causes 2 … [109] => gcc – c++ concepts – conce0t in the requires parenthesis causes 2 … [110] => gcc – c++ concepts – concepr in the requires parenthesis causes 2 … [111] => gcc – c++ concepts – concepf in the requires parenthesis causes 2 … [112] => gcc – c++ concepts – concepg in the requires parenthesis causes 2 … [113] => gcc – c++ concepts – concepy in the requires parenthesis causes 2 … [114] => gcc – c++ concepts – concep6 in the requires parenthesis causes 2 … [115] => gcc – c++ concepts – concep5 in the requires parenthesis causes 2 … [116] => gcc – c++ concepts – concept un the requires parenthesis causes 2 … [117] => gcc – c++ concepts – concept jn the requires parenthesis causes 2 … [118] => gcc – c++ concepts – concept kn the requires parenthesis causes 2 … [119] => gcc – c++ concepts – concept on the requires parenthesis causes 2 … [120] => gcc – c++ concepts – concept 9n the requires parenthesis causes 2 … [121] => gcc – c++ concepts – concept 8n the requires parenthesis causes 2 … [122] => gcc – c++ concepts – concept ib the requires parenthesis causes 2 … [123] => gcc – c++ concepts – concept im the requires parenthesis causes 2 … [124] => gcc – c++ concepts – concept ij the requires parenthesis causes 2 … [125] => gcc – c++ concepts – concept ih the requires parenthesis causes 2 … [126] => gcc – c++ concepts – concept in rhe requires parenthesis causes 2 … [127] => gcc – c++ concepts – concept in fhe requires parenthesis causes 2 … [128] => gcc – c++ concepts – concept in ghe requires parenthesis causes 2 … [129] => gcc – c++ concepts – concept in yhe requires parenthesis causes 2 … [130] => gcc – c++ concepts – concept in 6he requires parenthesis causes 2 … [131] => gcc – c++ concepts – concept in 5he requires parenthesis causes 2 … [132] => gcc – c++ concepts – concept in tge requires parenthesis causes 2 … [133] => gcc – c++ concepts – concept in tbe requires parenthesis causes 2 … [134] => gcc – c++ concepts – concept in tne requires parenthesis causes 2 … [135] => gcc – c++ concepts – concept in tje requires parenthesis causes 2 … [136] => gcc – c++ concepts – concept in tue requires parenthesis causes 2 … [137] => gcc – c++ concepts – concept in tye requires parenthesis causes 2 … [138] => gcc – c++ concepts – concept in thw requires parenthesis causes 2 … [139] => gcc – c++ concepts – concept in ths requires parenthesis causes 2 … [140] => gcc – c++ concepts – concept in thd requires parenthesis causes 2 … [141] => gcc – c++ concepts – concept in thr requires parenthesis causes 2 … [142] => gcc – c++ concepts – concept in th4 requires parenthesis causes 2 … [143] => gcc – c++ concepts – concept in th3 requires parenthesis causes 2 … [144] => gcc – c++ concepts – concept in the eequires parenthesis causes 2 … [145] => gcc – c++ concepts – concept in the dequires parenthesis causes 2 … [146] => gcc – c++ concepts – concept in the fequires parenthesis causes 2 … [147] => gcc – c++ concepts – concept in the tequires parenthesis causes 2 … [148] => gcc – c++ concepts – concept in the 5equires parenthesis causes 2 … [149] => gcc – c++ concepts – concept in the 4equires parenthesis causes 2 … [150] => gcc – c++ concepts – concept in the rwquires parenthesis causes 2 … [151] => gcc – c++ concepts – concept in the rsquires parenthesis causes 2 … [152] => gcc – c++ concepts – concept in the rdquires parenthesis causes 2 … [153] => gcc – c++ concepts – concept in the rrquires parenthesis causes 2 … [154] => gcc – c++ concepts – concept in the r4quires parenthesis causes 2 … [155] => gcc – c++ concepts – concept in the r3quires parenthesis causes 2 … [156] => gcc – c++ concepts – concept in the re1uires parenthesis causes 2 … [157] => gcc – c++ concepts – concept in the re2uires parenthesis causes 2 … [158] => gcc – c++ concepts – concept in the rewuires parenthesis causes 2 … [159] => gcc – c++ concepts – concept in the reauires parenthesis causes 2 … [160] => gcc – c++ concepts – concept in the reqyires parenthesis causes 2 … [161] => gcc – c++ concepts – concept in the reqhires parenthesis causes 2 … [162] => gcc – c++ concepts – concept in the reqjires parenthesis causes 2 … [163] => gcc – c++ concepts – concept in the reqiires parenthesis causes 2 … [164] => gcc – c++ concepts – concept in the req8ires parenthesis causes 2 … [165] => gcc – c++ concepts – concept in the req7ires parenthesis causes 2 … [166] => gcc – c++ concepts – concept in the requures parenthesis causes 2 … [167] => gcc – c++ concepts – concept in the requjres parenthesis causes 2 … [168] => gcc – c++ concepts – concept in the requkres parenthesis causes 2 … [169] => gcc – c++ concepts – concept in the requores parenthesis causes 2 … [170] => gcc – c++ concepts – concept in the requ9res parenthesis causes 2 … [171] => gcc – c++ concepts – concept in the requ8res parenthesis causes 2 … [172] => gcc – c++ concepts – concept in the requiees parenthesis causes 2 … [173] => gcc – c++ concepts – concept in the requides parenthesis causes 2 … [174] => gcc – c++ concepts – concept in the requifes parenthesis causes 2 … [175] => gcc – c++ concepts – concept in the requites parenthesis causes 2 … [176] => gcc – c++ concepts – concept in the requi5es parenthesis causes 2 … [177] => gcc – c++ concepts – concept in the requi4es parenthesis causes 2 … [178] => gcc – c++ concepts – concept in the requirws parenthesis causes 2 … [179] => gcc – c++ concepts – concept in the requirss parenthesis causes 2 … [180] => gcc – c++ concepts – concept in the requirds parenthesis causes 2 … [181] => gcc – c++ concepts – concept in the requirrs parenthesis causes 2 … [182] => gcc – c++ concepts – concept in the requir4s parenthesis causes 2 … [183] => gcc – c++ concepts – concept in the requir3s parenthesis causes 2 … [184] => gcc – c++ concepts – concept in the requirea parenthesis causes 2 … [185] => gcc – c++ concepts – concept in the requirez parenthesis causes 2 … [186] => gcc – c++ concepts – concept in the requirex parenthesis causes 2 … [187] => gcc – c++ concepts – concept in the required parenthesis causes 2 … [188] => gcc – c++ concepts – concept in the requiree parenthesis causes 2 … [189] => gcc – c++ concepts – concept in the requirew parenthesis causes 2 … [190] => gcc – c++ concepts – concept in the requires oarenthesis causes 2 … [191] => gcc – c++ concepts – concept in the requires larenthesis causes 2 … [192] => gcc – c++ concepts – concept in the requires -arenthesis causes 2 … [193] => gcc – c++ concepts – concept in the requires 0arenthesis causes 2 … [194] => gcc – c++ concepts – concept in the requires pzrenthesis causes 2 … [195] => gcc – c++ concepts – concept in the requires psrenthesis causes 2 … [196] => gcc – c++ concepts – concept in the requires pwrenthesis causes 2 … [197] => gcc – c++ concepts – concept in the requires pqrenthesis causes 2 … [198] => gcc – c++ concepts – concept in the requires paeenthesis causes 2 … [199] => gcc – c++ concepts – concept in the requires padenthesis causes 2 … [200] => gcc – c++ concepts – concept in the requires pafenthesis causes 2 … [201] => gcc – c++ concepts – concept in the requires patenthesis causes 2 … [202] => gcc – c++ concepts – concept in the requires pa5enthesis causes 2 … [203] => gcc – c++ concepts – concept in the requires pa4enthesis causes 2 … [204] => gcc – c++ concepts – concept in the requires parwnthesis causes 2 … [205] => gcc – c++ concepts – concept in the requires parsnthesis causes 2 … [206] => gcc – c++ concepts – concept in the requires pardnthesis causes 2 … [207] => gcc – c++ concepts – concept in the requires parrnthesis causes 2 … [208] => gcc – c++ concepts – concept in the requires par4nthesis causes 2 … [209] => gcc – c++ concepts – concept in the requires par3nthesis causes 2 … [210] => gcc – c++ concepts – concept in the requires parebthesis causes 2 … [211] => gcc – c++ concepts – concept in the requires paremthesis causes 2 … [212] => gcc – c++ concepts – concept in the requires parejthesis causes 2 … [213] => gcc – c++ concepts – concept in the requires parehthesis causes 2 … [214] => gcc – c++ concepts – concept in the requires parenrhesis causes 2 … [215] => gcc – c++ concepts – concept in the requires parenfhesis causes 2 … [216] => gcc – c++ concepts – concept in the requires parenghesis causes 2 … [217] => gcc – c++ concepts – concept in the requires parenyhesis causes 2 … [218] => gcc – c++ concepts – concept in the requires paren6hesis causes 2 … [219] => gcc – c++ concepts – concept in the requires paren5hesis causes 2 … [220] => gcc – c++ concepts – concept in the requires parentgesis causes 2 … [221] => gcc – c++ concepts – concept in the requires parentbesis causes 2 … [222] => gcc – c++ concepts – concept in the requires parentnesis causes 2 … [223] => gcc – c++ concepts – concept in the requires parentjesis causes 2 … [224] => gcc – c++ concepts – concept in the requires parentuesis causes 2 … [225] => gcc – c++ concepts – concept in the requires parentyesis causes 2 … [226] => gcc – c++ concepts – concept in the requires parenthwsis causes 2 … [227] => gcc – c++ concepts – concept in the requires parenthssis causes 2 … [228] => gcc – c++ concepts – concept in the requires parenthdsis causes 2 … [229] => gcc – c++ concepts – concept in the requires parenthrsis causes 2 … [230] => gcc – c++ concepts – concept in the requires parenth4sis causes 2 … [231] => gcc – c++ concepts – concept in the requires parenth3sis causes 2 … [232] => gcc – c++ concepts – concept in the requires parentheais causes 2 … [233] => gcc – c++ concepts – concept in the requires parenthezis causes 2 … [234] => gcc – c++ concepts – concept in the requires parenthexis causes 2 … [235] => gcc – c++ concepts – concept in the requires parenthedis causes 2 … [236] => gcc – c++ concepts – concept in the requires parentheeis causes 2 … [237] => gcc – c++ concepts – concept in the requires parenthewis causes 2 … [238] => gcc – c++ concepts – concept in the requires parenthesus causes 2 … [239] => gcc – c++ concepts – concept in the requires parenthesjs causes 2 … [240] => gcc – c++ concepts – concept in the requires parenthesks causes 2 … [241] => gcc – c++ concepts – concept in the requires parenthesos causes 2 … [242] => gcc – c++ concepts – concept in the requires parenthes9s causes 2 … [243] => gcc – c++ concepts – concept in the requires parenthes8s causes 2 … [244] => gcc – c++ concepts – concept in the requires parenthesia causes 2 … [245] => gcc – c++ concepts – concept in the requires parenthesiz causes 2 … [246] => gcc – c++ concepts – concept in the requires parenthesix causes 2 … [247] => gcc – c++ concepts – concept in the requires parenthesid causes 2 … [248] => gcc – c++ concepts – concept in the requires parenthesie causes 2 … [249] => gcc – c++ concepts – concept in the requires parenthesiw causes 2 … [250] => gcc – c++ concepts – concept in the requires parenthesis xauses 2 … [251] => gcc – c++ concepts – concept in the requires parenthesis vauses 2 … [252] => gcc – c++ concepts – concept in the requires parenthesis fauses 2 … [253] => gcc – c++ concepts – concept in the requires parenthesis dauses 2 … [254] => gcc – c++ concepts – concept in the requires parenthesis czuses 2 … [255] => gcc – c++ concepts – concept in the requires parenthesis csuses 2 … [256] => gcc – c++ concepts – concept in the requires parenthesis cwuses 2 … [257] => gcc – c++ concepts – concept in the requires parenthesis cquses 2 … [258] => gcc – c++ concepts – concept in the requires parenthesis cayses 2 … [259] => gcc – c++ concepts – concept in the requires parenthesis cahses 2 … [260] => gcc – c++ concepts – concept in the requires parenthesis cajses 2 … [261] => gcc – c++ concepts – concept in the requires parenthesis caises 2 … [262] => gcc – c++ concepts – concept in the requires parenthesis ca8ses 2 … [263] => gcc – c++ concepts – concept in the requires parenthesis ca7ses 2 … [264] => gcc – c++ concepts – concept in the requires parenthesis cauaes 2 … [265] => gcc – c++ concepts – concept in the requires parenthesis cauzes 2 … [266] => gcc – c++ concepts – concept in the requires parenthesis cauxes 2 … [267] => gcc – c++ concepts – concept in the requires parenthesis caudes 2 … [268] => gcc – c++ concepts – concept in the requires parenthesis cauees 2 … [269] => gcc – c++ concepts – concept in the requires parenthesis cauwes 2 … [270] => gcc – c++ concepts – concept in the requires parenthesis causws 2 … [271] => gcc – c++ concepts – concept in the requires parenthesis causss 2 … [272] => gcc – c++ concepts – concept in the requires parenthesis causds 2 … [273] => gcc – c++ concepts – concept in the requires parenthesis causrs 2 … [274] => gcc – c++ concepts – concept in the requires parenthesis caus4s 2 … [275] => gcc – c++ concepts – concept in the requires parenthesis caus3s 2 … [276] => gcc – c++ concepts – concept in the requires parenthesis causea 2 … [277] => gcc – c++ concepts – concept in the requires parenthesis causez 2 … [278] => gcc – c++ concepts – concept in the requires parenthesis causex 2 … [279] => gcc – c++ concepts – concept in the requires parenthesis caused 2 … [280] => gcc – c++ concepts – concept in the requires parenthesis causee 2 … [281] => gcc – c++ concepts – concept in the requires parenthesis causew 2 … [282] => gcc – c++ concepts – concept in the requires parenthesis causes 1 … [283] => gcc – c++ concepts – concept in the requires parenthesis causes q … [284] => gcc – c++ concepts – concept in the requires parenthesis causes w … [285] => gcc – c++ concepts – concept in the requires parenthesis causes 3 … [286] => gcc – c++ concepts – concept in the requires parenthesis causes 2 ᰾ [287] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#u230; [288] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#i230; [289] => gcc – c++ concepts – concept in the requires parenthesis causes 2 ␎ [290] => gcc – c++ concepts – concept in the requires parenthesis causes 2 ῂ [291] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#8q30; [292] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#8w30; [293] => gcc – c++ concepts – concept in the requires parenthesis causes 2 ₊ [294] => gcc – c++ concepts – concept in the requires parenthesis causes 2 “ [295] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#82w0; [296] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#82e0; [297] => gcc – c++ concepts – concept in the requires parenthesis causes 2 ‰ [298] => gcc – c++ concepts – concept in the requires parenthesis causes 2   [299] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#823o; [300] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#823p; [301] => gcc – c++ concepts – concept in the requires parenthesis causes 2 &#823-; ) </h1> </body>