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xo-expression: + captured-var methods

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This commit is contained in:
Roland Conybeare 2025-05-09 00:03:08 -05:00
commit 5ac3c03a0c
2 changed files with 3 additions and 0 deletions
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2
include/xo/expression/Lambda.hpp
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@ -40,7 +40,9 @@ namespace xo {
const std::vector<rp<Variable>> & argv() const { return local_env_->argv(); }
const rp<Expression> & body() const { return body_; }
const std::string& i_argname(int i_arg) const { return local_env_->lookup_arg(i_arg)->name(); }
bool needs_closure_flag() const { return !free_var_set_.empty(); }
bool is_captured(const std::string& var) const { return (captured_var_set_.find(var) != captured_var_set_.end()); }
// ----- FunctionInterface -----

1
include/xo/expression/LocalEnv.hpp
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@ -32,6 +32,7 @@ namespace xo {
Lambda * origin() const { return origin_; }
const std::vector<rp<Variable>> & argv() const { return argv_; }
const rp<Variable>& lookup_arg(int i) const { return argv_[i]; }
int n_arg() const { return argv_.size(); }
TypeDescr fn_arg(uint32_t i) const { return argv_[i]->valuetype(); }