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# this works ########################## | |
type | |
Foo[N: static[int], T] = object | |
elements: array[0..(N - 1), T] | |
var f2 = Foo[2, float](elements: [1.0, 2.0]) | |
var f3 = Foo[3, float](elements: [1.0, 2.0, 3.0]) | |
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# compiles | |
type Foo = tuple[x, y: float] | |
proc foo(a, b: Foo): bool = (a.x == b.x) and (a.y == b.y) | |
var f = (1.0, 2.0) | |
check(foo(f, f)) | |
# does not compile | |
type Bar[T] = tuple[x, y: T] | |
proc bar(a, b: Bar): bool = (a.x == b.x) and (a.y == b.y) # Error: undeclared identifier: 'x' | |
var b = (1.0, 2.0) |
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# Suppose we have the following type for a rectangular array: | |
type | |
RectArray*[R, C: static[int], T] = distinct array[R * C, T] | |
var a23: RectArray[2, 3, int] | |
var a32: RectArray[3, 2, int] | |
echo "a23: ", a23.R, "x", a23.C | |
echo "a32: ", a32.R, "x", a32.C |
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type | |
RectArray*[R, C: static[int], T] = distinct array[R * C, T] | |
StaticMatrix*[R, C: static[int], T] = object | |
elements*: RectArray[R, C, T] | |
StaticVector*[N: static[int], T] = StaticMatrix[N, 1, T] | |
proc foo*[N, T](a: StaticVector[N, T]): T = 0.T |
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framework | |
packageA | |
bin | |
docs | |
src | |
module1.nim | |
module2.nim | |
module3.nim | |
tests | |
tmodule1.nim |
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import macros | |
macro midlInterface*(head: expr; body: stmt): stmt {.immediate.} = | |
## Generates the glue code required for MIDL interface types. | |
## | |
## For example, the following declaration... | |
## | |
## midlInterface IUnknown: | |
## proc queryInterface*(riid: Iid; outObj: ptr pointer): HResult |
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type | |
Foo[T] = concept x, y | |
foo(x, y) is bool | |
Bar[T] = object | |
b: T | |
when true: # the following works | |
proc foo(x, y: Bar): bool = true |
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import macros | |
const nmax = 500 | |
type | |
Complex*[T] = object | |
re*: T | |
im*: T | |
converter toComplex*[T](x: tuple[re, im: T]): Complex[T] = |
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type IntArray[T; N: static[int]] = array[N, T] | |
proc ones[T](N: static[int]): IntArray[T, N] = | |
for i in 0 .. < N: | |
result[i] = 1 | |
echo @[ones[int](5)] |
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type | |
Foo[T] = ref object | |
x: T | |
Bar[N: static[int], T] = ref object | |
a: array[N, T] | |
x: T | |
Foobar[N: static[int], T] = object | |
b: Bar[N, T] |
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