diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/hir_typeck/static.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/hir_typeck/static.cpp b/src/hir_typeck/static.cpp index 1dabb2c2..c71e71d7 100644 --- a/src/hir_typeck/static.cpp +++ b/src/hir_typeck/static.cpp @@ -7,6 +7,7 @@ */ #include "static.hpp" #include <algorithm> +#include <hir/expr.hpp> void StaticTraitResolve::prep_indexes() { @@ -163,6 +164,47 @@ bool StaticTraitResolve::find_impl( return found_cb( ImplRef(type.clone(), trait_params->clone(), mv$(assoc)), false ); } ) + if(const auto* e = type.m_data.opt_Closure()) + { + if( trait_path == m_lang_Fn || trait_path == m_lang_FnMut || trait_path == m_lang_FnOnce ) + { + if( trait_params ) + { + const auto& des_arg_tys = trait_params->m_types.at(0).m_data.as_Tuple(); + if( des_arg_tys.size() != e->m_arg_types.size() ) { + return false; + } + for(unsigned int i = 0; i < des_arg_tys.size(); i ++) + { + if( des_arg_tys[i] != e->m_arg_types[i] ) { + return false; + } + } + } + else + { + trait_params = &null_params; + } + switch( e->node->m_class ) + { + case ::HIR::ExprNode_Closure::Class::Unknown: + break; + case ::HIR::ExprNode_Closure::Class::NoCapture: + break; + case ::HIR::ExprNode_Closure::Class::Once: + if( trait_path == m_lang_FnMut ) + return false; + case ::HIR::ExprNode_Closure::Class::Mut: + if( trait_path == m_lang_Fn ) + return false; + case ::HIR::ExprNode_Closure::Class::Shared: + break; + } + ::std::map< ::std::string, ::HIR::TypeRef> assoc; + assoc.insert( ::std::make_pair("Output", e->m_rettype->clone()) ); + return found_cb( ImplRef(type.clone(), trait_params->clone(), mv$(assoc)), false ); + } + } // ---- // TraitObject traits and supertraits |