Crate if_none 

Early break/continue/return if an optional expression evaluates to None.

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docs

Documentation and specification

Macros

if_err_break

Break if a Result expression evaluates to Err.

if_err_continue

Continue if a Result expression evaluates to Err.

if_err_return

Return if a Result expression evaluates to Err.

if_err_return_with

Return a residual value if a Result expression evaluates to Err.

if_none_break

Break if an optional expression evaluates to None.

if_none_continue

Continue if an optional expression evaluates to None.

if_none_return

Return if an optional expression evaluates to None.

if_none_return_with

Return a residual value if an optional expression evaluates to None.