Module rules 

Reusable pure field validators.

Each function returns Ok(()) or a FieldError with a stable code.

Functions

decimal_digits

Ensure value has at most max_digits significant digits and at most max_places digits after the decimal point.

email

Pragmatic email check used by crate::types::Email.

ge

Ensure value >= limit.

gt

Ensure value > limit.

ip

Ensure value is an IPv4 or IPv6 address.

le

Ensure value <= limit.

lt

Ensure value < limit.

max_length

Ensure value contains at most max Unicode scalar values (characters, not bytes).

min_length

Ensure value contains at least min Unicode scalar values (characters, not bytes).

multiple_of

Ensure value is a multiple of multiple.

pattern

Ensure value matches regex.

url

Ensure value is a valid absolute URL.

uuid

Ensure value is a hyphenated or simple UUID string.