diff options
Diffstat (limited to 'src/GF/Grammar/Lockfield.hs')
| -rw-r--r-- | src/GF/Grammar/Lockfield.hs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/GF/Grammar/Lockfield.hs b/src/GF/Grammar/Lockfield.hs index f283dde93..f7ec081bd 100644 --- a/src/GF/Grammar/Lockfield.hs +++ b/src/GF/Grammar/Lockfield.hs @@ -12,7 +12,7 @@ -- Creating and using lock fields in reused resource grammars. ----------------------------------------------------------------------------- -module Lockfield (lockRecType, unlockRecord, lockLabel) where +module Lockfield (lockRecType, unlockRecord, lockLabel, isLockLabel) where import Grammar import Ident @@ -40,3 +40,7 @@ unlockRecord c ft = do lockLabel :: Ident -> Label lockLabel c = LIdent $ "lock_" ++ prt c ---- +isLockLabel :: Label -> Bool +isLockLabel l = case l of + LIdent c -> take 5 c == "lock_" + _ -> False
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