diff options
Diffstat (limited to 'src/libsyntax_pos')
| -rw-r--r-- | src/libsyntax_pos/lib.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libsyntax_pos/lib.rs b/src/libsyntax_pos/lib.rs index c96be8fec2b..b1ec7fd0ab8 100644 --- a/src/libsyntax_pos/lib.rs +++ b/src/libsyntax_pos/lib.rs @@ -254,6 +254,10 @@ pub const NO_EXPANSION: ExpnId = ExpnId(!0); // For code appearing from the command line pub const COMMAND_LINE_EXPN: ExpnId = ExpnId(!1); +// For code generated by a procedural macro, without knowing which +// Used in `qquote!` +pub const PROC_EXPN: ExpnId = ExpnId(!2); + impl ExpnId { pub fn from_u32(id: u32) -> ExpnId { ExpnId(id) |