December 02, 2019 [Issue 20425] New: Proxy opCmp fails to compile with types that overloaded opCmp | ||||
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https://issues.dlang.org/show_bug.cgi?id=20425 Issue ID: 20425 Summary: Proxy opCmp fails to compile with types that overloaded opCmp Product: D Version: D2 Hardware: x86 OS: Mac OS X Status: NEW Severity: enhancement Priority: P1 Component: phobos Assignee: nobody@puremagic.com Reporter: ali.akhtarzada@gmail.com import std.datetime, std.typecons; alias M = Typedef!Duration; void main() { auto d1 = 100.msecs; auto d2 = 110.msecs; assert(d1 < d2); auto m1 = M(100.msecs); auto m2 = M(110.msecs); assert(m1 < m2); } /dlang/dmd/linux/bin64/../../src/phobos/std/typecons.d(6736): Error: template std.typecons.Typedef!(Duration, Duration(0L), null).Typedef.Proxy!(Typedef_payload).opCmp cannot deduce function from argument types !()(Duration), candidates are: /dlang/dmd/linux/bin64/../../src/phobos/std/typecons.d(6726): opCmp(this X, B)(auto ref B b) with X = Typedef!(Duration, Duration(0L), null), B = Duration must satisfy one of the following constraints: !is(typeof(a.opCmp(b))) !is(typeof(b.opCmp(a))) /dlang/dmd/linux/bin64/../../src/phobos/std/typecons.d(6736): Error: template std.typecons.Typedef!(Duration, Duration(0L), null).Typedef.Proxy!(Typedef_payload).opCmp cannot deduce function from argument types !()(Duration), candidates are: /dlang/dmd/linux/bin64/../../src/phobos/std/typecons.d(6726): opCmp(this X, B)(auto ref B b) with X = Typedef!(Duration, Duration(0L), null), B = Duration must satisfy one of the following constraints: !is(typeof(a.opCmp(b))) !is(typeof(b.opCmp(a))) onlineapp.d(16): Error: template instance std.typecons.Typedef!(Duration, Duration(0L), null).Typedef.Proxy!(Typedef_payload).opCmp!(Typedef!(Duration, Duration(0L), null), Typedef!(Duration, Duration(0L), null)) error instantiating -- |
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