Struct sway_libs::signed_integers::i16::I16
pub struct I16 {
/// The underlying value representing the signed integer.
underlying: u16,
}
Expand description
The 16-bit signed integer type.
Additional Information
Represented as an underlying u16 value.
Actual value is underlying value minus 2 ^ 15
Max value is 2 ^ 15 - 1, min value is - 2 ^ 15
Fields
underlying: u16
The underlying value representing the signed integer.
Implementations
fn indent() -> u16
fn indent() -> u16
The underlying value that corresponds to zero value.
Returns
[u16] - The unsigned integer value representing a zero value.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let zero = I16::indent();
assert(zero == 32768u16);
}
fn bits() -> u64
fn bits() -> u64
The size of this type in bits.
Returns
[u64] - The defined size of the I16
type.
Examples
``sway
use sway_libs::signed_integers::i16::I16;
fn foo() {
let bits = I16::bits();
assert(bits == 16);
}
fn from_uint(underlying: u16) -> Self
fn from_uint(underlying: u16) -> Self
Helper function to get a positive value from an unsigned number
Arguments
underlying
: [u16] - The unsigned number to become the underlying value for theI16
.
Returns
- [I16] - The newly created
I16
struct.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let underlying = 1u16;
let i16 = I16::from_uint(underlying);
assert(i16.underlying() == underlying);
}
fn max() -> Self
fn max() -> Self
The largest value that can be represented by this integer type.
Returns
- [I16] - The newly created
I16
struct.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let i16 = I16::max();
assert(i16.underlying() == u16::max());
}
fn min() -> Self
fn min() -> Self
The smallest value that can be represented by this integer type.
Returns
- [I16] - The newly created
I16
type.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let i16 = I16::min();
assert(i16.underlying() == u16::min());
}
fn neg_try_from(value: u16) -> Option<Self>
fn neg_try_from(value: u16) -> Option<Self>
Helper function to get a negative value of an unsigned number.
Arguments
value
: [u16] - The unsigned number to negate.
Returns
- [Option] - The newly created
I16
struct.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let underlying = 1u16;
let i16 = I16::neg_try_from(underlying).unwrap();
assert(i16.underlying() == 32767u16)
}
fn new() -> Self
fn new() -> Self
Initializes a new, zeroed I16.
Additional Information
The zero value of I16 is 32768u16.
Returns
- [I16] - The newly created
I16
struct.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let i16 = I16::new();
assert(i16.underlying() == 32768u16);
}
fn zero() -> Self
fn zero() -> Self
The zero value I16
.
Returns
- [I16] - The newly created
I16
type.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let i16 = I16::zero();
assert(i16.underlying() == 32768u16);
}
fn is_zero(self) -> bool
fn is_zero(self) -> bool
Returns whether a I16
is set to zero.
Returns
- [bool] -> True if the
I16
is zero, otherwise false.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let i16 = I16::zero();
assert(i16.is_zero());
}
fn underlying(self) -> u16
fn underlying(self) -> u16
Returns the underlying u16
representing the I16
.
Returns
- [u16] - The
u16
representing theI16
.
Examples
use sway_libs::signed_integers::i16::I16;
fn foo() {
let i16 = I16::zero();
assert(i16.underlying() == 32768u16);
}
Trait Implementations
impl Eq for I16
impl Eq for I16
fn eq(self, other: Self) -> bool
fn neq(self, other: Self) -> bool
fn neq(self, other: Self) -> bool
Evaluates if two values of the same type are not equal.
Additional Information
This function is inherited when eq()
is implemented.
Arguments
other
: [Self] - The value of the same type.
Returns
- [bool] -
true
if the two values are not equal, otherwisefalse
.
Examples
struct MyStruct {
val: u64,
}
impl Eq for MyStruct {
fn eq(self, other: Self) -> bool {
self.val == other.val
}
}
fn foo() {
let struct1 = MyStruct { val: 10 };
let struct2 = MyStruct { val: 2 };
let result = struct1 != struct2;
assert(result);
}
impl OrdEq for I16
impl OrdEq for I16
fn ge(self, other: Self) -> bool
fn ge(self, other: Self) -> bool
Evaluates if one value of the same type is greater or equal to than another.
Additional Information
This trait requires that the Ord
and Eq
traits are implemented.
Arguments
other
: [Self] - The value of the same type.
Returns
- [bool] -
true
ifself
is greater than or equal toother
, otherwisefalse
.
Examples
struct MyStruct {
val: u64,
}
impl Eq for MyStruct {
fn eq(self, other: Self) -> bool {
self.val == other.val
}
}
impl Ord for MyStruct {
fn gt(self, other: Self) -> bool {
self.val > other.val
}
}
impl OrdEq for MyStruct {}
fn foo() {
let struct1 = MyStruct { val: 10 };
let struct2 = MyStruct { val: 10 };
let result = struct1 >= struct2;
assert(result);
}
fn le(self, other: Self) -> bool
fn le(self, other: Self) -> bool
Evaluates if one value of the same type is less or equal to than another.
Additional Information
This trait requires that the Ord
and Eq
traits are implemented.
Arguments
other
: [Self] - The value of the same type.
Returns
- [bool] -
true
ifself
is less than or equal toother
, otherwisefalse
.
Examples
struct MyStruct {
val: u64,
}
impl Eq for MyStruct {
fn eq(self, other: Self) -> bool {
self.val == other.val
}
}
impl Ord for MyStruct {
fn lt(self, other: Self) -> bool {
self.val < other.val
}
}
impl OrdEq for MyStruct {}
fn foo() {
let struct1 = MyStruct { val: 10 };
let struct2 = MyStruct { val: 10 };
let result = struct1 <= struct2;
assert(result);
}
impl Divide for I16
impl Divide for I16
fn divide(self, divisor: Self) -> Self
fn divide(self, divisor: Self) -> Self
Divide a I16 by a I16. Panics if divisor is zero.
impl Multiply for I16
impl Multiply for I16
fn multiply(self, other: Self) -> Self
fn multiply(self, other: Self) -> Self
Multiply a I16 with a I16. Panics of overflow.
impl Subtract for I16
impl Subtract for I16
fn subtract(self, other: Self) -> Self
fn subtract(self, other: Self) -> Self
Subtract a I16 from a I16. Panics of overflow.