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Add variants

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This commit is contained in:
Richard Feldman 2019-05-27 22:00:30 -04:00
parent 1aaab2dc17
commit 7aab332650
3 changed files with 91 additions and 14 deletions
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5
src/expr.rs
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@ -19,6 +19,10 @@ pub enum Expr {
Operator(Box<Expr>, Operator, Box<Expr>),
Closure(Vec<Pattern>, Box<Expr>),
// Sum Types
ApplyVariant(String, Option<Vec<Expr>>),
If(Box<Expr>, Box<Expr>, Box<Expr>),
Error(Problem),
}
@ -80,6 +84,7 @@ pub enum Problem {
#[derive(Clone, Debug, PartialEq)]
pub enum Pattern {
Identifier(String),
Variant(String, Option<Vec<Pattern>>),
Underscore
}