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Use immutable Vector in Expr

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This commit is contained in:
Richard Feldman 2019-05-29 16:58:42 -04:00
parent c285c26c39
commit 1087a15d32
4 changed files with 64 additions and 83 deletions
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13
src/expr.rs
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@ -1,5 +1,6 @@
use std::fmt;
use self::Expr::*;
use im_rc::vector::Vector;
#[derive(Clone, Debug, PartialEq)]
pub enum Expr {
@ -14,17 +15,17 @@ pub enum Expr {
Let(Pattern, Box<Expr>, Box<Expr>),
// Functions
Func(String, Vec<Expr>),
Apply(Box<Expr>, Vec<Expr>),
Func(String, Vector<Expr>),
Apply(Box<Expr>, Vector<Expr>),
Operator(Box<Expr>, Operator, Box<Expr>),
Closure(Vec<Pattern>, Box<Expr>),
Closure(Vector<Pattern>, Box<Expr>),
// Sum Types
ApplyVariant(String, Option<Vec<Expr>>),
ApplyVariant(String, Option<Vector<Expr>>),
// Conditionals
If(Box<Expr>, Box<Expr>, Box<Expr>),
Match(Box<Expr>, Vec<(Pattern, Box<Expr>)>),
Match(Box<Expr>, Vector<(Pattern, Box<Expr>)>),
// Error
Error(Problem),
@ -88,7 +89,7 @@ pub enum Problem {
#[derive(Clone, Debug, PartialEq)]
pub enum Pattern {
Identifier(String),
Variant(String, Option<Vec<Pattern>>),
Variant(String, Option<Vector<Pattern>>),
Underscore
}