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authorJonas Schievink <[email protected]>2020-11-26 18:07:53 +0000
committerJonas Schievink <[email protected]>2020-11-27 12:50:20 +0000
commit1b2652097183b0a285891c02eea8a7d2af03e4b3 (patch)
tree2b02ec5c50727df602b0a78595e014c08a7a2963 /crates/mbe/src
parentc66d477f5a72247b04b9025f6ba9c403ca628d41 (diff)
Add dedicated error for "proc macro not found"
Diffstat (limited to 'crates/mbe/src')
-rw-r--r--crates/mbe/src/lib.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/crates/mbe/src/lib.rs b/crates/mbe/src/lib.rs
index 2d0763c47..3ad609a00 100644
--- a/crates/mbe/src/lib.rs
+++ b/crates/mbe/src/lib.rs
@@ -35,6 +35,7 @@ pub enum ExpandError {
35 ConversionError, 35 ConversionError,
36 InvalidRepeat, 36 InvalidRepeat,
37 ProcMacroError(tt::ExpansionError), 37 ProcMacroError(tt::ExpansionError),
38 UnresolvedProcMacro,
38 Other(String), 39 Other(String),
39} 40}
40 41
@@ -53,6 +54,7 @@ impl fmt::Display for ExpandError {
53 ExpandError::ConversionError => f.write_str("could not convert tokens"), 54 ExpandError::ConversionError => f.write_str("could not convert tokens"),
54 ExpandError::InvalidRepeat => f.write_str("invalid repeat expression"), 55 ExpandError::InvalidRepeat => f.write_str("invalid repeat expression"),
55 ExpandError::ProcMacroError(e) => e.fmt(f), 56 ExpandError::ProcMacroError(e) => e.fmt(f),
57 ExpandError::UnresolvedProcMacro => f.write_str("unresolved proc macro"),
56 ExpandError::Other(e) => f.write_str(e), 58 ExpandError::Other(e) => f.write_str(e),
57 } 59 }
58 } 60 }