discard """
output: '''
a char: true
a char: false
an int: 5
an int: 6
a string: abc
false
true
true
false
true
a: a
b: b
x: 5
y: 6
z: abc
a char: true
a char: false
an int: 5
an int: 6
a string: abc
a string: I'm root!
CMP false
CMP true
CMP true
CMP false
CMP true
CMP true
a: a
b: b
x: 5
y: 6
z: abc
thaRootMan: I'm root!
myDisc: enC
c: Z
enC
Z
'''
"""
block titerator1:
type
TMyTuple = tuple[a, b: char, x, y: int, z: string]
proc p(x: char) = echo "a char: ", x <= 'a'
proc p(x: int) = echo "an int: ", x
proc p(x: string) = echo "a string: ", x
var x: TMyTuple = ('a', 'b', 5, 6, "abc")
var y: TMyTuple = ('A', 'b', 5, 9, "abc")
for f in fields(x):
p f
for a, b in fields(x, y):
echo a == b
for key, val in fieldPairs(x):
echo key, ": ", val
doAssert x != y
doAssert x == x
doAssert(not (x < x))
doAssert x <= x
doAssert y < x
doAssert y <= x
block titerator2:
type
SomeRootObj = object of RootObj
thaRootMan: string
TMyObj = object of SomeRootObj
a, b: char
x, y: int
z: string
TEnum = enum enA, enB, enC
TMyCaseObj = object
case myDisc: TEnum
of enA: a: int
of enB: b: string
of enC: c: char
proc p(x: char) = echo "a char: ", x <= 'a'
proc p(x: int) = echo "an int: ", x
proc p(x: string) = echo "a string: ", x
proc myobj(a, b: char, x, y: int, z: string): TMyObj =
result.a = a; result.b = b; result.x = x; result.y = y; result.z = z
result.thaRootMan = "I'm root!"
var x = myobj('a', 'b', 5, 6, "abc")
var y = myobj('A', 'b', 5, 9, "abc")
for f in fields(x):
p f
for a, b in fields(x, y):
echo "CMP ", a == b
for key, val in fieldPairs(x):
echo key, ": ", val
var co = TMyCaseObj(myDisc: enC, c: 'Z')
for key, val in fieldPairs(co):
echo key, ": ", val
for val in fields(co):
echo val