diff options
Diffstat (limited to 'src/type/mod.rs')
| -rw-r--r-- | src/type/mod.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/type/mod.rs b/src/type/mod.rs index bfe0055..c726001 100644 --- a/src/type/mod.rs +++ b/src/type/mod.rs @@ -31,6 +31,8 @@ pub enum Type { VecOf(Box<Type>), VecType, // constructor + SumType(Box<Type>, Box<Type>), + LetType, /// Type for generics @@ -156,7 +158,8 @@ impl Type { LetType => Ok(()), NilType => Ok(()), TypeLit => Ok(()), - Arrow(a, b) => b.is_concrete().and_then(|_ok| a.is_concrete()), + Arrow(a, b) => b.is_concrete().and_then(|_ok| a.is_concrete()), + SumType(a, b) => b.is_concrete().and_then(|_ok| a.is_concrete()), List(v) => { let mut res = Ok(()); for t in v { |