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api/documentation: Add a warning that nil may mean v:null

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ZyX
2016-02-21 05:17:20 +03:00
parent 2f67786796
commit 7cdd01983a
4 changed files with 16 additions and 4 deletions
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5
src/nvim/api/buffer.c
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@@ -429,7 +429,10 @@ Object buffer_get_var(Buffer buffer, String name, Error *err)
/// @param name The variable name
/// @param value The variable value
/// @param[out] err Details of an error that may have occurred
/// @return The old value
/// @return The old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
Object buffer_set_var(Buffer buffer, String name, Object value, Error *err)
{
buf_T *buf = find_buffer_by_handle(buffer, err);

5
src/nvim/api/tabpage.c
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@@ -60,7 +60,10 @@ Object tabpage_get_var(Tabpage tabpage, String name, Error *err)
/// @param name The variable name
/// @param value The variable value
/// @param[out] err Details of an error that may have occurred
/// @return The tab page handle
/// @return The old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
Object tabpage_set_var(Tabpage tabpage, String name, Object value, Error *err)
{
tabpage_T *tab = find_tab_by_handle(tabpage, err);

5
src/nvim/api/vim.c
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@@ -336,7 +336,10 @@ Object vim_get_var(String name, Error *err)
/// @param name The variable name
/// @param value The variable value
/// @param[out] err Details of an error that may have occurred
/// @return the old value if any
/// @return The old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
Object vim_set_var(String name, Object value, Error *err)
{
return dict_set_value(&globvardict, name, value, false, err);

5
src/nvim/api/window.c
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@@ -203,7 +203,10 @@ Object window_get_var(Window window, String name, Error *err)
/// @param name The variable name
/// @param value The variable value
/// @param[out] err Details of an error that may have occurred
/// @return The old value
/// @return The old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
Object window_set_var(Window window, String name, Object value, Error *err)
{
win_T *win = find_window_by_handle(window, err);