Derive Macro webforms::validate::ValidateForm

#[derive(ValidateForm)]
{
    // Attributes available to this derive:
    #[validate]
    #[validate_regex]
    #[validate_match]
}

Import and re-export the macro Derives the ValidateForm trait from for a given struct

Different types have different available validate tags. Using an invalid attribute tag on an type (e.g., max_length on an int type) will cause the compiler to panic.

Type: String

• min_length - Minimum length of the string
• max_length - Maximum length of the string
• regex - Input must match the supplied regular expression
• email - Special regex to validate an email address

Using either the regex or email attributes requires your crate to depend on both the regex and lazy_static crates. lazy_static is required to minimize the number of times a given regex is compiled

Type: Integer

• min_value - Minimum value of this int
• max_value - Maxium value of this int

Example

#[derive(ValidateForm)]
struct LoginForm {
    /// Username must between 4 and 16 characters
    #[validate(min_length = 4)]
    #[validate(max_length = 16)]
    pub username: String,

    ///Email must conform to the email regex provided
    #[validate(email)]
    pub email: String,
}