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Miscellaneous tuple simplifications (#857)

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- Drop unnecessary special-casing of 0-tuples.
- Drop unused constructor.
This commit is contained in:
Geoff Romer
2021-09-27 12:10:16 -07:00
committed by GitHub
parent 5aa958345b
commit 532948d9a5
3 changed files with 5 additions and 44 deletions
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executable_semantics/ast/pattern.h
-6
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@@ -109,12 +109,6 @@ class TuplePattern : public Pattern {
TuplePattern(SourceLocation loc, std::vector<Field> fields)
: Pattern(Kind::TuplePattern, loc), fields(std::move(fields)) {}
// Converts tuple_literal to a TuplePattern, by wrapping each field in an
// ExpressionPattern.
//
// REQUIRES: tuple_literal->Tag() == Expression::Kind::TupleLiteral
TuplePattern(Nonnull<Arena*> arena, Nonnull<Expression*> tuple_literal);
static auto classof(const Pattern* pattern) -> bool {
return pattern->Tag() == Kind::TuplePattern;
}