diff options
| -rw-r--r-- | runtime/doc/eval.txt | 13 | ||||
| -rw-r--r-- | src/nvim/testdir/test_const.vim | 24 |
2 files changed, 30 insertions, 7 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 6649bebedb..a17808e298 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -9631,15 +9631,10 @@ This does NOT work: > If the system does not support deleting an environment variable, it is made empty. - *:cons* *:const* *E996* + *:cons* *:const* :cons[t] {var-name} = {expr1} :cons[t] [{name1}, {name2}, ...] = {expr1} -:cons[t] [{name1}, {name2}, ...] .= {expr1} :cons[t] [{name}, ..., ; {lastname}] = {expr1} -:cons[t] {var-name} =<< [trim] {marker} -text... -text... -{marker} Similar to |:let|, but additionally lock the variable after setting the value. This is the same as locking the variable with |:lockvar| just after |:let|, thus: > @@ -9653,7 +9648,11 @@ text... |:const| does not allow to for changing a variable. > :let x = 1 :const x = 2 " Error! -< +< *E996* + Note that environment variables, option values and + register values cannot be used here, since they cannot + be locked. + :lockv[ar][!] [depth] {name} ... *:lockvar* *:lockv* Lock the internal variable {name}. Locking means that it can no longer be changed (until it is unlocked). diff --git a/src/nvim/testdir/test_const.vim b/src/nvim/testdir/test_const.vim index 641f7cc051..06062c5e58 100644 --- a/src/nvim/testdir/test_const.vim +++ b/src/nvim/testdir/test_const.vim @@ -18,6 +18,19 @@ func Test_define_var_with_lock() const b = v:true const n = v:null + call assert_true(exists('i')) + call assert_true(exists('f')) + call assert_true(exists('s')) + call assert_true(exists('F')) + call assert_true(exists('l')) + call assert_true(exists('d')) + if has('channel') + call assert_true(exists('j')) + call assert_true(exists('c')) + endif + call assert_true(exists('b')) + call assert_true(exists('n')) + call assert_fails('let i = 1', 'E741:') call assert_fails('let f = 1.1', 'E741:') call assert_fails('let s = "vim"', 'E741:') @@ -199,6 +212,17 @@ func Test_const_with_special_variables() call assert_fails('const &g:encoding = "utf-8"', 'E996:') endfunc +func Test_const_with_eval_name() + let s = 'foo' + + " eval name with :const should work + const abc_{s} = 1 + const {s}{s} = 1 + + let s2 = 'abc_foo' + call assert_fails('const {s2} = "bar"', 'E995:') +endfunc + func Test_lock_depth_is_1() const l = [1, 2, 3] const d = {'foo': 10} |