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underscores for routine parameters (#21192)

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* underscores for routine parameters

fixes #13443, fixes #13804, refs #21121

* add changelog + more tests

* support generics and ensure inferred lambdas work
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metagn 2023-01-08 08:49:49 +03:00 • committed by GitHub
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5 changed files with 131 additions and 3 deletions
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compiler/lookups.nim
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@ -323,6 +323,7 @@ proc wrongRedefinition*(c: PContext; info: TLineInfo, s: string;
# xxx pending bootstrap >= 1.4, replace all those overloads with a single one:
# proc addDecl*(c: PContext, sym: PSym, info = sym.info, scope = c.currentScope) {.inline.} =
proc addDeclAt*(c: PContext; scope: PScope, sym: PSym, info: TLineInfo) =
if sym.name.s == "_": return
let conflict = scope.addUniqueSym(sym)
if conflict != nil:
if sym.kind == skModule and conflict.kind == skModule and sym.owner == conflict.owner: