Family Day update

This commit is contained in:
Ingy döt Net 2020-02-17 23:21:07 -08:00
parent aac6731f2c
commit 9ad63ea473
2442 changed files with 39761 additions and 8255 deletions

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@ -1,2 +1,2 @@
var c0 := (){ console.writeLine("No argument provided") };
var c0 := { console.writeLine("No argument provided") };
var c2 := (int a, int b){ console.printLine("Arguments ",a," and ",b," provided") };

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@ -0,0 +1,2 @@
list = append(list, a, d, e, i)
i = len(list)

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@ -0,0 +1,21 @@
package main
import "fmt"
// int parameter, so arguments will be passed to it by value.
func zeroval(ival int) {
ival = 0
}
// has an *int parameter, meaning that it takes an int pointer.
func zeroptr(iptr *int) {
*iptr = 0
}
func main() {
i := 1
fmt.Println("initial:", i) // prt initial: 1
zeroval(i)
fmt.Println("zeroval:", i) // prt zeroval: 1
zeroptr(&i)
fmt.Println("zeroptr:", i) // prt zeroptr: 0
fmt.Println("pointer:", &i) // prt pointer: 0xc0000140b8
}

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@ -0,0 +1,27 @@
package main
import "fmt"
func mkAdd(a int) func(int) int {
return func(b int) int {
return a + b
}
}
func sum(x, y int) int {
return x + y
}
func partialSum(x int) func(int) int {
return func(y int) int {
return sum(x, y)
}
}
func main() {
// Is partial application possible and how
add2 := mkAdd(2)
add3 := mkAdd(3)
fmt.Println(add2(5), add3(6)) // prt 7 9
// Currying functions in go
partial := partialSum(13)
fmt.Println(partial(5)) //prt 18
}

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@ -1 +1,14 @@
if 2*g(1, 3.0)+4 > 0 {}
package main
import "fmt"
type Params struct {
a, b, c int
}
func doIt(p Params) int {
return p.a + p.b + p.c
}
func main() {
fmt.Println(doIt(Params{a: 1, c: 9})) // prt 10
}

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@ -1,9 +1,15 @@
fn := func(r rune) rune {
if unicode.IsSpace(r) {
return -1
}
return r
}
strings.Map(fn, "Spaces removed")
strings.Map(unicode.ToLower, "Test")
strings.Map(func(r rune) rune { return r + 1 }, "shift")
package main
import "fmt"
func bar(a, b, c int) {
fmt.Printf("%d, %d, %d", a, b, c)
}
func main() {
args := make(map[string]int)
args["a"] = 3
args["b"] = 2
args["c"] = 1
bar(args["a"], args["b"], args["c"]) // prt 3, 2, 1
}

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@ -1,4 +1 @@
a, b := f() // multivalue return
_, c := f() // only some of a multivalue return
d := g(a, c) // single return value
e, i := g(d, b), g(d, 2) // multiple assignment
if 2*g(1, 3.0)+4 > 0 {}

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@ -1,2 +1,9 @@
list = append(list, a, d, e, i)
i = len(list)
fn := func(r rune) rune {
if unicode.IsSpace(r) {
return -1
}
return r
}
strings.Map(fn, "Spaces removed")
strings.Map(unicode.ToLower, "Test")
strings.Map(func(r rune) rune { return r + 1 }, "shift")

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@ -0,0 +1,4 @@
a, b := f() // multivalue return
_, c := f() // only some of a multivalue return
d := g(a, c) // single return value
e, i := g(d, b), g(d, 2) // multiple assignment

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@ -64,13 +64,13 @@
; ==> a: 3
; ==> b: 13
; or nicer (and shorter) form available from ol version 2.1
(named-args-function '{(a . 3)})
(named-args-function '{a 3})
; ==> a: 3
; ==> b: 13
(named-args-function '{(b . 7)})
(named-args-function '{b 7})
; ==> a: 8
; ==> b: 7
(named-args-function '{(a . 3) (b . 7)})
(named-args-function '{a 3 b 7})
; ==> a: 3
; ==> b: 7

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@ -0,0 +1,91 @@
{
state $n;
multi f () { print ' f' ~ ++$n }
multi f ($a) { die if 1 != $a; print ' f' ~ ++$n }
multi f ($a,$b) { die if 3 != $a+$b; print ' f' ~ ++$n }
multi f (@a) { die if @a != [2,3,4]; print ' f' ~ ++$n }
multi f ($a,$b,$c) { die if 2 != $a || 4 != $c; print ' f' ~ ++$n }
sub g ($a,*@b) { die if @b != [2,3,4] || 1 != $a; print ' g' ~ ++$n }
my \i = -> { print ' i' ~ ++$n }
my \l = -> $a { die if 1 != $a; print ' l' ~ ++$n }
my \m = -> $a,$b { die if 1 != $a || 2 != $b; print ' m' ~ ++$n }
my \n = -> @a { die if @a != [2,3,4]; print ' n' ~ ++$n }
Int.^add_method( 'j', method ()
{ die if 1 != self; print ' j' ~ ++$n } );
Int.^add_method( 'k', method ($a)
{ die if 1 != self || 2 != $a; print ' k' ~ ++$n } );
Int.^add_method( 'h', method (@a)
{ die if @a != [2,3,4] || 1 != self; print ' h' ~ ++$n } );
my $ref = &f; # soft ref
my $f := &f; # hard ref
my $g := &g; # hard ref
my $f-sym = '&f'; # symbolic ref
my $g-sym = '&g'; # symbolic ref
my $j-sym = 'j'; # symbolic ref
my $k-sym = 'k'; # symbolic ref
my $h-sym = 'h'; # symbolic ref
# Calling a function with no arguments:
f; # 1 as list operator
f(); # 2 as function
i.(); # 3 as function, explicit postfix form # defined via pointy-block
$ref(); # 4 as object invocation
$ref.(); # 5 as object invocation, explicit postfix
&f(); # 6 as object invocation
&f.(); # 7 as object invocation, explicit postfix
::($f-sym)(); # 8 as symbolic ref
# Calling a function with exactly one argument:
f 1; # 9 as list operator
f(1); # 10 as named function
l.(1); # 11 as named function, explicit postfix # defined via pointy-block
$f(1); # 12 as object invocation (must be hard ref)
$ref.(1); # 13 as object invocation, explicit postfix
1.$f; # 14 as pseudo-method meaning $f(1) (hard ref only)
1.$f(); # 15 as pseudo-method meaning $f(1) (hard ref only)
1.&f; # 16 as pseudo-method meaning &f(1) (is hard f)
1.&f(); # 17 as pseudo-method meaning &f(1) (is hard f)
1.j; # 18 as method via dispatcher # requires custom method, via 'Int.^add_method'
1.j(); # 19 as method via dispatcher
1."$j-sym"(); # 20 as method via dispatcher, symbolic
# Calling a function with exactly two arguments:
f 1,2; # 21 as list operator
f(1,2); # 22 as named function
m.(1,2); # 23 as named function, explicit postfix # defined via pointy-block
$ref(1,2); # 24 as object invocation (must be hard ref)
$ref.(1,2); # 25 as object invocation, explicit postfix
1.$f: 2; # 26 as pseudo-method meaning $f(1,2) (hard ref only)
1.$f(2); # 27 as pseudo-method meaning $f(1,2) (hard ref only)
1.&f: 2; # 28 as pseudo-method meaning &f(1,2) (is hard f)
1.&f(2); # 29 as pseudo-method meaning &f(1,2) (is hard f)
1.k: 2; # 30 as method via dispatcher # requires custom method, via 'Int.^add_method'
1.k(2); # 31 as method via dispatcher
1."$k-sym"(2); # 32 as method via dispatcher, symbolic
# Calling a function with a variable number of arguments (varargs):
my @args = 2,3,4;
f @args; # 33 as list operator
f(@args); # 34 as named function
n.(@args); # 35 as named function, explicit postfix # defined via pointy-block
$ref(@args); # 36 as object invocation (must be hard ref)
$ref.(@args); # 37 as object invocation, explicit postfix
1.$g: @args; # 38 as pseudo-method meaning $f(1,@args) (hard ref)
1.$g(@args); # 39 as pseudo-method meaning $f(1,@args) (hard ref)
1.&g: @args; # 40 as pseudo-method meaning &f(1,@args)
1.&g(@args); # 41 as pseudo-method meaning &f(1,@args)
1.h: @args; # 42 as method via dispatcher # requires custom method, via 'Int.^add_method'
1.h(@args); # 43 as method via dispatcher
1."$h-sym"(@args); # 44 as method via dispatcher, symbolic
f(|@args); # 45 equivalent to f(1,2,3)
}