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patch 8.1.1820: using expr->FuncRef() does not work

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Problem:    Using expr->FuncRef() does not work.
Solution:   Make FuncRef work as a method.
This commit is contained in:
Bram Moolenaar
2019-08-05 23:10:16 +02:00
parent 1b6d9c4215
commit 761fdf01c6
4 changed files with 113 additions and 88 deletions
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21
src/testdir/test_method.vim
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@@ -1,6 +1,6 @@
" Tests for ->method()
func Test_list()
func Test_list_method()
let l = [1, 2, 3]
call assert_equal([1, 2, 3, 4], [1, 2, 3]->add(4))
eval l->assert_equal(l)
@@ -34,7 +34,7 @@ func Test_list()
call assert_fails('eval l->values()', 'E715:')
endfunc
func Test_dict()
func Test_dict_method()
let d = #{one: 1, two: 2, three: 3}
call assert_equal(d, d->copy())
@@ -66,7 +66,7 @@ func Test_dict()
call assert_equal([1, 2, 3], d->values())
endfunc
func Test_string()
func Test_string_method()
call assert_equal(['1', '2', '3'], '1 2 3'->split())
call assert_equal([1, 2, 3], '1 2 3'->split()->map({i, v -> str2nr(v)}))
call assert_equal([65, 66, 67], 'ABC'->str2list())
@@ -76,7 +76,7 @@ func Test_string()
call assert_equal('axc', 'abc'->substitute('b', 'x', ''))
endfunc
func Test_append()
func Test_method_append()
new
eval ['one', 'two', 'three']->append(1)
call assert_equal(['', 'one', 'two', 'three'], getline(1, '$'))
@@ -89,3 +89,16 @@ func Test_append()
exe 'bwipe! ' .. bnr
endfunc
func Test_method_funcref()
func Concat(one, two, three)
return a:one .. a:two .. a:three
endfunc
let FuncRef = function('Concat')
eval 'foo'->FuncRef('bar', 'tail')->assert_equal('foobartail')
let Partial = function('Concat', ['two'])
eval 'one'->Partial('three')->assert_equal('onetwothree')
delfunc Concat
endfunc