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INTERNALS_HANDLER
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INTERNALS_HANDLER
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class REGULAR_EXPRESSION_ITEM_RANGE
Summary
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accept a character in a range
Direct parents
inherit list:
REGULAR_EXPRESSION_ITEM
Overview
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creation features
make
(low:
CHARACTER
, up:
CHARACTER
)
exported features
lower
:
CHARACTER
lower and upper range
upper
:
CHARACTER
lower and upper range
make
(low:
CHARACTER
, up:
CHARACTER
)
explore
(matcher:
BACKTRACKING_REGULAR_EXPRESSION
)
That feature must update the state of 'explorer'.
lower
:
CHARACTER
writable attribute
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lower and upper range
upper
:
CHARACTER
writable attribute
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lower and upper range
make
(low:
CHARACTER
, up:
CHARACTER
)
effective procedure
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ensure
definition:
lower
= low and
upper
= up
explore
(matcher:
BACKTRACKING_REGULAR_EXPRESSION
)
effective procedure
top
That feature must update the state of 'explorer'.