Struct inquire::validator::ValueRequiredValidator
source · pub struct ValueRequiredValidator { /* private fields */ }
Expand description
Built-in validator that checks whether the answer is not empty.
Examples
use inquire::validator::{StringValidator, Validation, ValueRequiredValidator};
let validator = ValueRequiredValidator::default();
assert_eq!(Validation::Valid, validator.validate("Generic input")?);
assert_eq!(Validation::Invalid("A response is required.".into()), validator.validate("")?);
let validator = ValueRequiredValidator::new("No empty!");
assert_eq!(Validation::Valid, validator.validate("Generic input")?);
assert_eq!(Validation::Invalid("No empty!".into()), validator.validate("")?);
Implementations§
Trait Implementations§
source§impl Clone for ValueRequiredValidator
impl Clone for ValueRequiredValidator
source§fn clone(&self) -> ValueRequiredValidator
fn clone(&self) -> ValueRequiredValidator
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Default for ValueRequiredValidator
impl Default for ValueRequiredValidator
source§impl StringValidator for ValueRequiredValidator
impl StringValidator for ValueRequiredValidator
source§fn validate(&self, input: &str) -> Result<Validation, CustomUserError>
fn validate(&self, input: &str) -> Result<Validation, CustomUserError>
Confirm the given input string is a valid value.
Auto Trait Implementations§
impl RefUnwindSafe for ValueRequiredValidator
impl Send for ValueRequiredValidator
impl Sync for ValueRequiredValidator
impl Unpin for ValueRequiredValidator
impl UnwindSafe for ValueRequiredValidator
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more