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uint

uint

unsigned integer of arbitrary size, including zero
represented by its bit sequence

Value Constructors

§
:
Any
 is
 
[Inherited from  numeric]
absolute value using `|a|` built from a `prefix |` and `postfix |` as an operator
alias of `a.abs`

Due to the low precedence of `|`, this works also on expressions like `|a-b|`, even
with spaces `| a-b |`, `|a - b|`, `| a-b|` or `|a-b |`.

Nesting, however, does not work, e.g, `| - |a| |`, this requires parenthese `|(- |a|)|`.

NYI: CLEANUP: Due to #3081, we need `postfix |` as the first operation, should be
`prefix |` first

Functions

§
:
Any
 => 
numeric.this 
[Inherited from  numeric]
absolute value
this uint as an i32
this uint as an i64
this uint as an int
§(base u32)
:
encodings
 => 
String 
[Inherited from  integer]
convert this to a number using the given base. If negative, add "-" as
the first character.
§(len i32, base u32)
:
Any
 => 
String 
[Inherited from  integer]
convert this to a number using the given base. If negative, add "-" as
the first character. Extend with leading "0" until the length is at
least len
this uint as an u32
this uint as an u64
this uint as an u8

redefines:

§
:
Any
 => 
String 
[Inherited from  integer]
create binary representation
§(len i32)
:
Any
 => 
String 
[Inherited from  integer]
create binary representation with given number of digits.
§
:
Any
 => 
String 
[Inherited from  integer]
create decimal representation
§(len i32)
:
Any
 => 
String 
[Inherited from  integer]
create decimal representation with given number of digits.
§
:
Any
 => 
Type 
[Inherited from  Any]
Get the dynamic type of this instance. For value instances `x`, this is
equal to `type_of x`, but for `x` with a `ref` type `x.dynamic_type` gives
the actual runtime type, while `type_of x` results in the static
compile-time type.

There is no dynamic type of a type instance since this would result in an
endless hierachy of types. So for Type values, dynamic_type is redefined
to just return Type.type.
does this uint fit in 64 bits?
does this uint fit into an u8?

redefines:

§(b integer.this)
:
Any
 => 
integer.this 
[Inherited from  integer]
greatest common divisor of this and b

note that this assumes zero to be divisible by any positive integer.
§
:
Any
 => 
String 
[Inherited from  integer]
create hexadecimal representation
§(len i32)
:
Any
 => 
String 
[Inherited from  integer]
create hexadecimal representation with given number of digits.
the highest 1 bit in this integer
example: uint 0 => 0
example: uint 1 => 1
example: uint 8 => 4
modulo
returns the remainder of the division

redefines:


redefines:

§(other integer.this)
:
Any
 => 
bool 
[Inherited from  integer]
test divisibility by other
bitwise and

redefines:

NYI make faster: https://en.wikipedia.org/wiki/Multiplication_algorithm#Computational_complexity_of_multiplication
multiply these unsigned ints

redefines:

§(other numeric.this)
:
Any
 => 
bool 
[Inherited from  numeric]
exponentation operator:
this uint to the power of other

redefines:

§(other numeric.this)
:
Any
 => 
bool 
[Inherited from  numeric]

redefines:


redefines:

§(other numeric.this)
:
Any
 => 
numeric.this 
[Inherited from  numeric]
add two unsigned ints

redefines:

§(other numeric.this)
:
Any
 => 
bool 
[Inherited from  numeric]
§(other numeric.this)
:
Any
 => 
numeric.this 
[Inherited from  numeric]
subtract other from this unsigned int

redefines:


redefines:

§(other numeric.this)
:
Any
 => 
numeric.this 
[Inherited from  numeric]
defining an integer interval from this to other, both inclusive

special cases of interval a..b:

a < b: the interval from a to b, both inclusive
a == b: the interval containing only one element, a
a > b: an empty interval
divide these unsigned ints

redefines:


redefines:

create a fraction
shift left

redefines:

shift right

redefines:

bitwise xor

redefines:

bitwise or

redefines:

create a fraction via unicode fraction slash \u2044 '⁄ '
is `this` contained in `Set` `s`?

This should usually be called using type inference as in

my_set := set_of ["A","B","C"]
say ("B" ∈ my_set)
say ("D" ∈ my_set)
is `this` not contained in `Set` `s`?

This should usually be called using type inference as in

my_set := set_of ["A","B","C"]
say ("B" ∉ my_set)
say ("D" ∉ my_set)
§
:
Any
 => 
bool 
[Inherited from  integer]
check if this type of integer is bounded

returns false unless redefined by a specific implementation of integer
§
:
Any
 => 
bool 
[Inherited from  numeric]
§
:
Any
 => 
bool 
[Inherited from  numeric]
§
:
Any
 => 
String 
[Inherited from  Type]
name of this type, including type parameters, e.g. 'option (list i32)'.
§
:
Any
 => 
String 
[Inherited from  integer]
create octal representation
§(len i32)
:
Any
 => 
String 
[Inherited from  integer]
create octal representation with given number of digits.
an infinite integer Sequence starting from this up to the maximum value
has_interval.this.max
an infinite integer Sequence starting from this up to the maximum value
has_interval.this.max

NYI: CLEANUP: Eventually remove `postfix ..` or `postfix ..∞` in favor of the
other one, for now this is here to show that `∞` is a legal symbol in an operator.
§
:
Any
 => 
String 
[Inherited from  Any]
convenience prefix operator to create a string from a value.

This permits usage of `$` as a prefix operator in a similar way both
inside and outside of constant strings: $x and "$x" will produce the
same string.
§
:
Any
 => 
numeric.this 
[Inherited from  numeric]
basic operations: 'prefix +' (identity)
§
:
Any
 => 
bool 
[Inherited from  numeric]
preconditions for basic operations: true if the operation's result is
representable and defined for the given values

default implementations all return `true` such that children have to
redefine these only for partial operations such as those resulting in
an overflow or that are undefined like a division by zero for most
types.
§
:
Any
 => 
numeric.this 
[Inherited from  numeric]
basic operations: 'prefix -' (negation)

redefines:

overflow checking operations
§
:
Any
 => 
numeric.this 
[Inherited from  numeric]
saturating operations
§
:
Any
 => 
integer.this 
[Inherited from  integer]
bitwise NOT
§
:
Any
 => 
integer.this 
[Inherited from  integer]
bitwise NOT (Unicode alias)
§
:
Any
 => 
i32 
[Inherited from  numeric]
sign function resulting in `-1`/`0`/`+1` depending on whether `numeric.this`
is less than, equal or larger than zero

Value Types

§
:
Any
 is
 
[Inherited from  numeric]
absolute value using `|a|` built from a `prefix |` and `postfix |` as an operator
alias of `a.abs`

Due to the low precedence of `|`, this works also on expressions like `|a-b|`, even
with spaces `| a-b |`, `|a - b|`, `| a-b|` or `|a-b |`.

Nesting, however, does not work, e.g, `| - |a| |`, this requires parenthese `|(- |a|)|`.

NYI: CLEANUP: Due to #3081, we need `postfix |` as the first operation, should be
`prefix |` first

Type Features

equality: are these unsigned integers equal?
helper feature to init uint from an u32
§(a property.hashable.this.type)
:
Any
 is
 
[Inherited from  hashable]
create hash code for this instance

This should satisfy the following condition:

(T.equality a b) : (T.hash_code a = T.hash_code b)
total order

redefines:

monoid of numeric with infix * operation. Will create product of all elements
it is applied to.
monoid of numeric with infix *^ operation. Will create product of all elements
it is applied to, stopping at max/min value in case of overflow.
monoid of numeric with infix + operation. Will create sum of all elements it
is applied to.
monoid of numeric with infix +^ operation. Will create sum of all elements it
is applied to, stopping at max/min value in case of overflow.
§
:
Any
 is
 
[Inherited from  numeric]
the constant '10' in whatever integer implementation we have, maximum in case of overflow
§
:
Any
 is
 
[Inherited from  numeric]
the constant '2' in whatever integer implementation we have, maximum in case of overflow
§
:
Any
 is
 
[Inherited from  Any]
Get a type as a value.

This is a feature with the effect equivalent to Fuzion's `expr.type` call tail.
It is recommended to use `expr.type` and not `expr.type_value`.

`type_value` is here to show how this can be implemented and to illustrate the
difference to `dynamic_type`.

redefines: