Gio.Settings.prototype.set_double

function set_double(key: String, value: Number(gdouble)): Boolean {
    // Gjs wrapper for g_settings_set_double()
}

Sets key in settings to value.

A convenience variant of Gio.Settings.set for doubles.

It is a programmer error to give a key that isn't specified as having a 'double' type in the schema for settings.

Since 2.26

key: the name of the key to set
value: the value to set it to
Returns: true if setting the key succeeded, false if the key was not writable