Bug 15152 – [REG2.069.0-devel] template fails to instantiate if argument is itself a template

// xx.d struct ErrorDisplayAttribute(alias DISPLAY_METHOD) { enum displayMethodName = __traits(identifier, DISPLAY_METHOD); } void foo1() { } private void handleRequest(string M)() { } void main() { enum erruda_value = ErrorDisplayAttribute!(foo1).init; static if(true) { // change to `false` to make it compile handleRequest!(erruda_value.displayMethodName); // line 12 } else { enum temp = erruda_value.displayMethodName; handleRequest!(temp); } } # dmd -c xx.d xx.d(12): Error: template instance handleRequest!(displayMethodName) does not match template declaration handleRequest(string M)() According to digger, this was introduced in: https://github.com/D-Programming-Language/dmd/pull/5123

Commits pushed to stable at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/4d1b0864d25660fdd347146c4a19ad9ba878a3bb fix Issue 15152 - template fails to instantiate if argument is itself a template https://github.com/D-Programming-Language/dmd/commit/8830d971f730ff938b2628020f70b194c55854d2 Merge pull request #5163 from 9rnsr/fix15152 [REG2.069.0-devel] Issue 15152 - template fails to instantiate if argument is itself a template

Commits pushed to master at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/4d1b0864d25660fdd347146c4a19ad9ba878a3bb fix Issue 15152 - template fails to instantiate if argument is itself a template https://github.com/D-Programming-Language/dmd/commit/8830d971f730ff938b2628020f70b194c55854d2 Merge pull request #5163 from 9rnsr/fix15152

Commit pushed to dmd-cxx at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/01de4bb5d7f9362ed9240b192d3046377047c9e1 Issue 15152 - template fails to instantiate if argument is itself a template