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@codesections
Created March 8, 2021 21:13
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Comparing `try` to a CATCH block in Raku
my $result = do try {
# some code that may throw X::This
# some code that may throw X::NotSpecified (default)
# some code that may throw X::Something
# some code that may throw X::This or X::That
# some code that may fail instead of throw
# (sunk so that it will throw immediately)
sink may-fail;
} // do given {
when X::Something { … }
when X::This { … }
when X::That { … }
default { … }
}
#################### Instead of #######################
my $result = do {
CATCH {
when X::Something { … }
when X::This { … }
when X::That { … }
default { … }
}
# some code that may throw X::This
# some code that may throw X::NotSpecified (default)
# some code that may throw X::Something
# some code that may throw X::This or X::That
# some code that may fail instead of throw
# (sunk so that it will throw immediately)
sink may-fail;
}
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