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comparison runtime/doc/vim9.txt @ 19481:c27837cbe922 v8.2.0298

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patch 8.2.0298: Vim9 script: cannot start command with a string constant Commit: https://github.com/vim/vim/commit/0c6ceaf90389b41545d803458c4813013811c756 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 22 18:36:32 2020 +0100 patch 8.2.0298: Vim9 script: cannot start command with a string constant Problem: Vim9 script: cannot start command with a string constant. Solution: Recognize expression starting with '('.
author Bram Moolenaar <Bram@vim.org>
date Sat, 22 Feb 2020 18:45:04 +0100
parents b09afbebffee
children a7a24d06d7ce
comparison
equal deleted inserted replaced
19480:341343c30a23 19481:c27837cbe922
129 Functions can be called without `:call`: > 129 Functions can be called without `:call`: >
130 writefile(lines, 'file') 130 writefile(lines, 'file')
131 Using `:call` is still possible, but this is discouraged. 131 Using `:call` is still possible, but this is discouraged.
132 132
133 A method call without `eval` is possible, so long as the start is an 133 A method call without `eval` is possible, so long as the start is an
134 identifier or can't be an Ex command. It does not work for string constants: > 134 identifier or can't be an Ex command. It does NOT work for string constants: >
135 myList->add(123) " works 135 myList->add(123) " works
136 g:myList->add(123) " works 136 g:myList->add(123) " works
137 [1, 2, 3]->Process() " works 137 [1, 2, 3]->Process() " works
138 #{a: 1, b: 2}->Process() " works 138 #{a: 1, b: 2}->Process() " works
139 {'a': 1, 'b': 2}->Process() " works 139 {'a': 1, 'b': 2}->Process() " works
140 "foobar"->Process() " does NOT work 140 "foobar"->Process() " does NOT work
141 eval "foobar"->Process() " works 141 ("foobar")->Process() " works
142 'foobar'->Process() " does NOT work
143 ('foobar')->Process() " works
142 144
143 In case there is ambiguity between a function name and an Ex command, use ":" 145 In case there is ambiguity between a function name and an Ex command, use ":"
144 to make clear you want to use the Ex command. For example, there is both the 146 to make clear you want to use the Ex command. For example, there is both the
145 `:substitute` command and the `substitute()` function. When the line starts 147 `:substitute` command and the `substitute()` function. When the line starts
146 with `substitute(` this will use the function, prepend a colon to use the 148 with `substitute(` this will use the function, prepend a colon to use the
147 command instead: > 149 command instead: >
148 :substitute(pattern(replacement( 150 :substitute(pattern (replacement (
149 151
150 152
151 No curly braces expansion ~ 153 No curly braces expansion ~
152 154
153 |curly-braces-names| cannot be used. 155 |curly-braces-names| cannot be used.