Called when the corresponding argument was specific with no value.
Called when the corresponding argument was specific with no value.
Can happen if the option was enabled as very last argument, like --bar
in --foo 1 other --bar
.
a T
wrapped in scala.Right in case of success, or an error message wrapped in caseapp.core.Error and scala.Left else
Parses a value.
Parses a value.
value
must be consumed. Corresponds to cases like --foo=bar
.
in case of success, a T
, wrapped in scala.Right; else, and error message, wrapped in caseapp.core.Error and scala.Left
Value description.
Value description.
Used in help messages.
Whether the parsed value corresponds to a flag.
Whether the parsed value corresponds to a flag.
Prevents telling corresponding arguments expect a value in help messages.
Parses a value.
Parses a value.
Unlike apply
above, value
may or may not be consumed. Corresponds to cases like --foo bar
.
Use of value
or not must be returned via the caseapp.core.argparser.Consumed value.
in case of success, whether value
was consumed and a T
, wrapped in scala.Right; else, and error message, wrapped in caseapp.core.Error and scala.Left