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feat: add as operator

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This commit is contained in:
Shunsuke Shibayama 2023-04-19 15:20:46 +09:00
parent 1c6a6b2ec8
commit daf01f3cf2
14 changed files with 119 additions and 12 deletions
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4
crates/erg_compiler/context/initialize/funcs.rs
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@ -604,6 +604,10 @@ impl Context {
let op_t = bin_op(I, T, Bool).quantify();
self.register_builtin_erg_impl(OP_IN, op_t.clone(), Const, Visibility::BUILTIN_PRIVATE);
self.register_builtin_erg_impl(OP_NOT_IN, op_t, Const, Visibility::BUILTIN_PRIVATE);
let Sub = mono_q(TY_SUB, instanceof(Type));
let Sup = mono_q(TY_SUP, supertypeof(Sub.clone()));
let op_t = bin_op(Sub, tp_enum(Type, set! { ty_tp(Sup.clone()) }), Sup).quantify();
self.register_builtin_erg_impl(OP_AS, op_t, Const, Visibility::BUILTIN_PRIVATE);
/* unary */
// TODO: +/- Bool would like to be warned
let M = mono_q(TY_M, subtypeof(mono(MUTIZABLE)));