Move constrain and its deps into their own crates

compiler/can/src/problem.rs

@@ -1,59 +0,0 @@
-use crate::pattern::PatternType;
-use inlinable_string::InlinableString;
-use roc_module::ident::Ident;
-use roc_module::symbol::{ModuleId, Symbol};
-use roc_parse::operator::BinOp;
-use roc_region::all::{Located, Region};
-use roc_types::types;
-
-/// Problems that can occur in the course of canonicalization.
-#[derive(Clone, Debug, PartialEq)]
-pub enum Problem {
-    UnusedDef(Symbol, Region),
-    UnusedImport(ModuleId, Region),
-    UnusedArgument(Symbol, Region),
-    PrecedenceProblem(PrecedenceProblem),
-    // Example: (5 = 1 + 2) is an unsupported pattern in an assignment; Int patterns aren't allowed in assignments!
-    UnsupportedPattern(PatternType, Region),
-    ErroneousAnnotation(types::Problem),
-    RuntimeError(RuntimeError),
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub enum PrecedenceProblem {
-    BothNonAssociative(Located<BinOp>, Located<BinOp>),
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub enum RuntimeError {
-    Shadowing {
-        original_region: Region,
-        shadow: Located<Ident>,
-    },
-    UnrecognizedFunctionName(Located<InlinableString>),
-    LookupNotInScope(Located<InlinableString>),
-    ValueNotExposed {
-        module_name: InlinableString,
-        ident: InlinableString,
-        region: Region,
-    },
-    ModuleNotImported {
-        module_name: InlinableString,
-        ident: InlinableString,
-        region: Region,
-    },
-    InvalidPrecedence(PrecedenceProblem, Region),
-    FloatOutsideRange(Box<str>),
-    IntOutsideRange(Box<str>),
-    InvalidHex(std::num::ParseIntError, Box<str>),
-    InvalidOctal(std::num::ParseIntError, Box<str>),
-    InvalidBinary(std::num::ParseIntError, Box<str>),
-    QualifiedPatternIdent(InlinableString),
-    CircularDef(
-        Vec<Located<Ident>>,
-        Vec<(Region /* pattern */, Region /* expr */)>,
-    ),
-
-    /// When the author specifies a type annotation but no implementation
-    NoImplementation,
-}