compiler: Add required keyword to has_* methods

add the "required" keyword to the functions

has_function
has_type
has_member
has_members
has_argument
has_multi_arguments
has_link_argument
has_multi_link_argument
has_function_attribute

Co-authored-by: Milan Hauth <milahu@gmail.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/docs/markdown/snippets/required_keyword_for_has_functions.md b/docs/markdown/snippets/required_keyword_for_has_functions.md
new file mode 100644
index 0000000..0752ac7
--- /dev/null
+++ b/docs/markdown/snippets/required_keyword_for_has_functions.md
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+## All compiler `has_*` methods support the `required` keyword
+
+Now instead of
+
+```meson
+assert(cc.has_function('some_function'))
+assert(cc.has_type('some_type'))
+assert(cc.has_member('struct some_type', 'x'))
+assert(cc.has_members('struct some_type', ['x', 'y']))
+```
+
+we can use
+
+```meson
+cc.has_function('some_function', required: true)
+cc.has_type('some_type', required: true)
+cc.has_member('struct some_type', 'x', required: true)
+cc.has_members('struct some_type', ['x', 'y'], required: true)
+```