1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
module custom_operator_08_a
implicit none
public :: string_t
public :: operator(//)
type string_t
character(len=:), allocatable :: string_
end type
interface operator(//)
module procedure string_t_cat_string_t
end interface
contains
elemental module function from_characters(string) result(new_string)
implicit none
character(len=*), intent(in) :: string
type(string_t) new_string
new_string%string_ = string
end function
pure module function string_t_cat_string_t(lhs, rhs) result(lhs_cat_rhs)
implicit none
class(string_t), intent(in) :: lhs, rhs
type(string_t) lhs_cat_rhs
lhs_cat_rhs = string_t(lhs%string_ // rhs%string_)
end function
end module custom_operator_08_a
module custom_operator_08_b
use custom_operator_08_a
implicit none
contains
subroutine test_concat
type(string_t) :: str
str = string_t("a") // string_t("b")
end subroutine test_concat
end module custom_operator_08_b
program custom_operator_08
use custom_operator_08_b
implicit none
call test_concat()
end program custom_operator_08
|
