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Move constrain and its deps into their own crates

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This commit is contained in:
Richard Feldman 2020-03-06 00:06:24 -05:00
parent 758de2e7bf
commit 908e485fca
58 changed files with 633 additions and 422 deletions
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15
compiler/can/src/pattern.rs
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@ -1,10 +1,11 @@
use crate::env::Env;
use crate::num::{finish_parsing_base, finish_parsing_float, finish_parsing_int};
use crate::problem::{Problem, RuntimeError};
use crate::scope::Scope;
use roc_module::ident::{Ident, Lowercase, TagName};
use roc_module::symbol::Symbol;
use roc_parse::ast;
use roc_parse::pattern::PatternType;
use roc_problem::can::{Problem, RuntimeError};
use roc_region::all::{Located, Region};
use roc_types::subs::{VarStore, Variable};
@ -66,18 +67,6 @@ pub fn symbols_from_pattern_help(pattern: &Pattern, symbols: &mut Vec<Symbol>) {
}
}
/// Different patterns are supported in different circumstances.
/// For example, when branches can pattern match on number literals, but
/// assignments and function args can't. Underscore is supported in function
/// arg patterns and in when branch patterns, but not in assignments.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum PatternType {
TopLevelDef,
DefExpr,
FunctionArg,
WhenBranch,
}
pub fn canonicalize_pattern<'a>(
env: &mut Env<'a>,
var_store: &VarStore,