language-servers/erg
1
0
Fork 0
mirror of https://github.com/erg-lang/erg.git synced 2025-10-02 21:44:34 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

feat: polymorphic type class members

Browse source
This commit is contained in:
Shunsuke Shibayama 2023-07-14 01:53:06 +09:00
parent f65e3acaf3
commit e3b479ebf7
12 changed files with 247 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

13
crates/erg_compiler/context/inquire.rs
View file

@ -29,8 +29,8 @@ use Type::*;
use crate::context::instantiate_spec::ConstTemplate;
use crate::context::{Context, RegistrationMode, TraitImpl, TyVarCache, Variance};
use crate::error::{
binop_to_dname, readable_name, unaryop_to_dname, SingleTyCheckResult, TyCheckError,
TyCheckErrors, TyCheckResult,
binop_to_dname, ordinal_num, readable_name, unaryop_to_dname, SingleTyCheckResult,
TyCheckError, TyCheckErrors, TyCheckResult,
};
use crate::varinfo::{AbsLocation, Mutability, VarInfo, VarKind};
use crate::{feature_error, hir};
@ -1486,7 +1486,12 @@ impl Context {
let missing_params = subr
.non_default_params
.iter()
.map(|pt| pt.name().cloned().unwrap_or(Str::ever("_")))
.enumerate()
.map(|(i, pt)| {
pt.name().cloned().unwrap_or_else(|| {
Str::from(format!("({} param)", ordinal_num(i + 1)))
})
})
.filter(|pt| !passed_params.contains(pt))
.collect::<Vec<_>>();
if !missing_params.is_empty() {
@ -1666,6 +1671,8 @@ impl Context {
} else {
passed_params.insert(name.clone());
}
} else {
passed_params.insert(Str::from(format!("({} param)", ordinal_num(nth))));
}
self.sub_unify(arg_t, param_t, arg, param.name())
.map_err(|errs| {