Underlying validations.
Errors
Extracts value from optional value.
Extracts value from optional value.
optional value
raw value
Failure event handler.
Failure event handler.
extracted value type
operation
projection
Fold operation.
Fold operation.
return type
failure handler
success handler
result
Errors exist if true.
Errors exist if true.
true if errors exist
Extract a form from params.
Extract a form from params.
form response type
extractor
form
Params
Success event handler.
Success event handler.
extracted value type
operation
projection
Executes validation.
Executes validation.
valid if true
Validator like feature.