voxelman ~master (2018-10-12T19:51:42Z)
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CharStream.discardCheckpoint
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lexer
CharStream
restore saved position
struct
CharStream
(R)
void
discardCheckpoint
(
)
if
(
isForwardRange
!
R
&&
is
(
ElementType
!
R
:
dchar
)
)
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discardCheckpoint
match
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StreamState
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_checkpointStack
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restore saved position