1 /* 2 TEST_OUTPUT: 3 --- 4 fail_compilation/fail12744.d(38): Error: incompatible parameter storage classes `ref` and `out` 5 fail_compilation/fail12744.d(52): Error: template instance `fail12744.bar12744R!(foo12744O)` error instantiating 6 fail_compilation/fail12744.d(38): Error: incompatible parameter storage classes `ref` and `lazy` 7 fail_compilation/fail12744.d(53): Error: template instance `fail12744.bar12744R!(foo12744L)` error instantiating 8 fail_compilation/fail12744.d(39): Error: incompatible parameter storage classes `out` and `ref` 9 fail_compilation/fail12744.d(56): Error: template instance `fail12744.bar12744O!(foo12744R)` error instantiating 10 fail_compilation/fail12744.d(39): Error: incompatible parameter storage classes `out` and `lazy` 11 fail_compilation/fail12744.d(58): Error: template instance `fail12744.bar12744O!(foo12744L)` error instantiating 12 fail_compilation/fail12744.d(40): Error: incompatible parameter storage classes `lazy` and `ref` 13 fail_compilation/fail12744.d(61): Error: template instance `fail12744.bar12744L!(foo12744R)` error instantiating 14 fail_compilation/fail12744.d(40): Error: incompatible parameter storage classes `lazy` and `out` 15 fail_compilation/fail12744.d(62): Error: template instance `fail12744.bar12744L!(foo12744O)` error instantiating 16 fail_compilation/fail12744.d(41): Error: incompatible parameter storage classes `auto ref` and `out` 17 fail_compilation/fail12744.d(67): Error: template `fail12744.bar12744A` cannot deduce function from argument types `!(foo12744O)(int)` 18 fail_compilation/fail12744.d(41): Candidate is: `bar12744A(alias f)(auto ref PTT12744!f args)` 19 fail_compilation/fail12744.d(41): Error: incompatible parameter storage classes `auto ref` and `lazy` 20 fail_compilation/fail12744.d(68): Error: template `fail12744.bar12744A` cannot deduce function from argument types `!(foo12744L)(int)` 21 fail_compilation/fail12744.d(41): Candidate is: `bar12744A(alias f)(auto ref PTT12744!f args)` 22 --- 23 */ PTT12744(func...)24template PTT12744(func...) 25 { 26 static if (is(typeof(func[0]) P == function)) 27 alias PTT12744 = P; 28 else 29 static assert(0); 30 } 31 foo12744N(int x)32void foo12744N( int x) {} foo12744R(ref int x)33void foo12744R( ref int x) {} foo12744O(out int x)34void foo12744O( out int x) {} foo12744L(lazy int x)35void foo12744L(lazy int x) {} 36 bar12744N(alias f)37void bar12744N(alias f)( PTT12744!f args) {} bar12744R(alias f)38void bar12744R(alias f)( ref PTT12744!f args) {} bar12744O(alias f)39void bar12744O(alias f)( out PTT12744!f args) {} bar12744L(alias f)40void bar12744L(alias f)( lazy PTT12744!f args) {} bar12744A(alias f)41void bar12744A(alias f)(auto ref PTT12744!f args) {} 42 main()43void main() 44 { 45 alias bNN = bar12744N!foo12744N; 46 alias bNR = bar12744N!foo12744R; 47 alias bNO = bar12744N!foo12744O; 48 alias bNL = bar12744N!foo12744L; 49 50 alias bRN = bar12744R!foo12744N; 51 alias bRR = bar12744R!foo12744R; 52 alias bRO = bar12744R!foo12744O; // error 53 alias bRL = bar12744R!foo12744L; // error 54 55 alias bON = bar12744O!foo12744N; 56 alias bOR = bar12744O!foo12744R; // error 57 alias bOO = bar12744O!foo12744O; 58 alias bOL = bar12744O!foo12744L; // error 59 60 alias bLN = bar12744L!foo12744N; 61 alias bLR = bar12744L!foo12744R; // error 62 alias bLO = bar12744L!foo12744O; // error 63 alias bLL = bar12744L!foo12744L; 64 65 bar12744A!foo12744N(1); 66 bar12744A!foo12744R(1); 67 bar12744A!foo12744O(1); // error 68 bar12744A!foo12744L(1); // error 69 } 70