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 Freeze for ValueRequiredValidator
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