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15 lines
690 B
Text
15 lines
690 B
Text
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This module lets you defer actions at run-time that will take place
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when the control flow returns into an upper scope. Currently, you can:
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- hook an upper scope end with "reap" ;
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- localize variables, array/hash values or deletions of elements
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in higher contexts with respectively "localize", "localize_elem"
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and "localize_delete" ;
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- return values immediately to an upper level with "unwind", "yield"
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and "leave" ;
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- gather information about an upper context with "want_at"
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and "context_info" ;
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- execute a subroutine in the setting of an upper subroutine stack
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frame with "uplevel" ;
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- uniquely identify contexts with "uid" and "validate_uid".
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