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fields.rs: Make request_type function a const fn #142

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Aug 25, 2022
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fields.rs: Make request_type function a const fn #142

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6 changes: 5 additions & 1 deletion src/fields.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -206,7 +206,11 @@ impl std::fmt::Display for Version {
///
/// rusb::request_type(Direction::In, RequestType::Standard, Recipient::Device);
/// ```
pub fn request_type(direction: Direction, request_type: RequestType, recipient: Recipient) -> u8 {
pub const fn request_type(
direction: Direction,
request_type: RequestType,
recipient: Recipient,
) -> u8 {
let mut value: u8 = match direction {
Direction::Out => LIBUSB_ENDPOINT_OUT,
Direction::In => LIBUSB_ENDPOINT_IN,
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