pub const inherit: #(String, String)
pub const initial: #(String, String)
pub fn raw(value: String) -> #(String, String)
Enter a raw string value for src
pub const revert: #(String, String)
pub const revert_layer: #(String, String)
pub const unset: #(String, String)
pub fn var(variable: String) -> #(String, String)
Enter a variable name to be used for src.
It will be wrapped in var() and have -- prepended.