Решение на Poor Man's Currying от Йоан Петров

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Към профила на Йоан Петров

Резултати

  • 8 точки от тестове
  • 0 бонус точки
  • 8 точки общо
  • 5 успешни тест(а)
  • 1 неуспешни тест(а)

Код

package main
func Repeater(s, sep string) func(int) string {
return func(n int) string {
result := ""
for i := 0; i < n-1; i++ {
result += s
result += sep
}
if n > 0 {
result += s
}
return result
}
}
func Generator(gen func(int) int, initial int) func() int {
return func() int {
tmp := initial
initial = gen(initial)
return tmp
}
}
func MapReducer(mapper func(int) int, reducer func(int, int) int, initial int) func(...int) int {
return func(args ...int) int {
res := initial
for i := range args {
args[i] = mapper(args[i])
res = reducer(res, args[i])
}
return res
}
}

Лог от изпълнението

PASS
ok  	_/tmp/d20181024-53-oibpg3	0.002s
PASS
ok  	_/tmp/d20181024-53-oibpg3	0.002s
PASS
ok  	_/tmp/d20181024-53-oibpg3	0.002s
PASS
ok  	_/tmp/d20181024-53-oibpg3	0.002s
PASS
ok  	_/tmp/d20181024-53-oibpg3	0.002s
--- FAIL: TestMapReducerMultipleCalls (0.00s)
    solution_test.go:318: Expected 45 but got 22 after 2nd call
FAIL
exit status 1
FAIL	_/tmp/d20181024-53-oibpg3	0.002s

История (2 версии и 1 коментар)

Йоан обнови решението на 20.10.2018 22:40 (преди 10 месеца)

+package main
+
+func Repeater(s, sep string) func(int) string {
+ return func(n int) string {
+ result := ""
+ for i := 0; i < n-1; i++ {
+ result += s
+ result += sep
+ }
+ result += s
+ return result
+ }
+}
+
+func Generator(gen func(int) int, initial int) func() int {
+ return func() int {
+ tmp := initial
+ initial = gen(initial)
+ return tmp
+ }
+}
+
+func MapReducer(mapper func(int) int, reducer func(int, int) int, initial int) func(...int) int {
+ return func(args ...int) int {
+ res := initial
+ for i := range args {
+ args[i] = mapper(args[i])
+ res = reducer(res, args[i])
+ }
+ return res
+ }
+}

Йоан обнови решението на 21.10.2018 22:47 (преди 10 месеца)

package main
func Repeater(s, sep string) func(int) string {
return func(n int) string {
result := ""
for i := 0; i < n-1; i++ {
result += s
result += sep
}
- result += s
+ if n > 0 {
+ result += s
+ }
return result
}
}
func Generator(gen func(int) int, initial int) func() int {
return func() int {
tmp := initial
initial = gen(initial)
return tmp
}
}
func MapReducer(mapper func(int) int, reducer func(int, int) int, initial int) func(...int) int {
return func(args ...int) int {
res := initial
for i := range args {
args[i] = mapper(args[i])
res = reducer(res, args[i])
}
return res
}
}