Module validation 

Generic input validation helpers for AWS-compatible error responses.

All validators return AwsServiceError with ValidationException and 400 status.

Functions

parse_optional_i64_param

Parse a string as an i64 for range validation, returning a ValidationException when the value is present but not a valid integer.

validate_enum

Validate a string is one of the allowed enum values.

validate_optional_enum

Validate an optional enum value if present.

validate_optional_enum_value

Validate an optional enum from a JSON value, rejecting non-string types.

validate_optional_json_range

Validate an optional numeric JSON value is within [min, max].

validate_optional_range_i64

Validate an optional integer range if present.

validate_optional_string_length

Validate an optional string’s length if present.

validate_range_i64

Validate an integer is within [min, max].

validate_required

Validate that a required field is present (not null/missing).

validate_string_length

Validate a string’s length is within [min, max].