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Parse and desugar tuple patterns with
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127 changes: 127 additions & 0 deletions
127
hkmc2/shared/src/test/mlscript/ucs/syntax/TupleRest.mls
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| :parseOnly | ||
| :pt | ||
|
|
||
| fun f(xs) = if xs is | ||
| [..xs] then 0 | ||
| [...xs] then 1 | ||
| [..[]] then 2 | ||
| [...[]] then 3 | ||
| [..Cons(x, xs)] then 4 | ||
| [...Cons(x, xs)] then 5 | ||
| [..] then 6 | ||
| [...] then 7 | ||
| [.., x] then 8 | ||
| [..., x] then 9 | ||
| [... , x] then 10 | ||
| //│ Parsed tree: | ||
| //│ TermDef: | ||
| //│ k = Fun | ||
| //│ head = App: | ||
| //│ lhs = Ident of "f" | ||
| //│ rhs = Tup of Ls of | ||
| //│ Ident of "xs" | ||
| //│ rhs = S of IfLike: | ||
| //│ kw = keyword 'if' | ||
| //│ split = InfixApp: | ||
| //│ lhs = Ident of "xs" | ||
| //│ kw = keyword 'is' | ||
| //│ rhs = Block of Ls of | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '..' | ||
| //│ kwLoc = S of Loc at :2:4-2:6 | ||
| //│ body = S of Ident of "xs" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 0 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '...' | ||
| //│ kwLoc = S of Loc at :3:4-3:7 | ||
| //│ body = S of Ident of "xs" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 1 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '..' | ||
| //│ kwLoc = S of Loc at :4:4-4:6 | ||
| //│ body = S of Tup of Nil | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 2 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '...' | ||
| //│ kwLoc = S of Loc at :5:4-5:7 | ||
| //│ body = S of Tup of Nil | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 3 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '..' | ||
| //│ kwLoc = S of Loc at :6:4-6:6 | ||
| //│ body = S of App: | ||
| //│ lhs = Ident of "Cons" | ||
| //│ rhs = Tup of Ls of | ||
| //│ Ident of "x" | ||
| //│ Ident of "xs" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 4 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '...' | ||
| //│ kwLoc = S of Loc at :7:4-7:7 | ||
| //│ body = S of App: | ||
| //│ lhs = Ident of "Cons" | ||
| //│ rhs = Tup of Ls of | ||
| //│ Ident of "x" | ||
| //│ Ident of "xs" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 5 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '..' | ||
| //│ kwLoc = S of Loc at :8:4-8:6 | ||
| //│ body = N | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 6 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '...' | ||
| //│ kwLoc = S of Loc at :9:4-9:7 | ||
| //│ body = N | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 7 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '..' | ||
| //│ kwLoc = S of Loc at :10:4-10:6 | ||
| //│ body = N | ||
| //│ Ident of "x" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 8 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '...' | ||
| //│ kwLoc = S of Loc at :11:4-11:7 | ||
| //│ body = N | ||
| //│ Ident of "x" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 9 | ||
| //│ InfixApp: | ||
| //│ lhs = Tup of Ls of | ||
| //│ Spread: | ||
| //│ kw = keyword '...' | ||
| //│ kwLoc = S of Loc at :12:4-12:7 | ||
| //│ body = N | ||
| //│ Ident of "x" | ||
| //│ kw = keyword 'then' | ||
| //│ rhs = IntLit of 10 |