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Remove CrateNum::Invalid.

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It's unused.
This commit is contained in:
Nicholas Nethercote 2019-01-08 16:13:22 +11:00
parent b92552d557
commit 8780ebff1f
1 changed files with 0 additions and 4 deletions
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4
src/librustc/hir/def_id.rs
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@ -17,8 +17,6 @@ pub enum CrateNum {
// FIXME(jseyfried): this is also used for custom derives until proc-macro crates get
// `CrateNum`s.
BuiltinMacros,
/// A CrateNum value that indicates that something is wrong.
Invalid,
/// A special CrateNum that we use for the tcx.rcache when decoding from
/// the incr. comp. cache.
ReservedForIncrCompCache,
@ -29,7 +27,6 @@ impl ::std::fmt::Debug for CrateNum {
fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
match self {
CrateNum::Index(id) => write!(fmt, "crate{}", id.private),
CrateNum::Invalid => write!(fmt, "invalid crate"),
CrateNum::BuiltinMacros => write!(fmt, "builtin macros crate"),
CrateNum::ReservedForIncrCompCache => write!(fmt, "crate for decoding incr comp cache"),
}
@ -90,7 +87,6 @@ impl fmt::Display for CrateNum {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
CrateNum::Index(id) => fmt::Display::fmt(&id.private, f),
CrateNum::Invalid => write!(f, "invalid crate"),
CrateNum::BuiltinMacros => write!(f, "builtin macros crate"),
CrateNum::ReservedForIncrCompCache => write!(f, "crate for decoding incr comp cache"),
}