How to get project()'s language?

[Freed-Wu]

Can it own an API like meson.project().get_languages()?

[eli-schwartz]

No, this is not currently possible.

I am not able to immediately think of a use case for doing such a thing. What is your objective?

[Freed-Wu]

Just declare a variable is also OK.

project(
  'foo',
  ['foo', 'bar'],
)
languages = ['foo', 'bar']

I just want to save the time of every time writing repeated words.

[eli-schwartz]

The add_languages() function is equivalent to specifying in the project() definition but is usually used for doing conditional language addition. You can use it here to reduce duplication as well:

project('foo')

languages = ['foo', 'bar']
add_languages(languages, required: true)

You can then use the languages variable again for other purposes.