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clippy: make to_* methods take self by value

This commit is contained in:
teor 2021-04-14 09:37:17 +10:00 committed by Deirdre Connolly
parent fb95de99a6
commit e8e6d292c5
1 changed files with 3 additions and 3 deletions
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6
zebra-chain/src/work/difficulty.rs
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@ -177,7 +177,7 @@ impl CompactDifficulty {
///
/// Returns None for negative, zero, and overflow values. (zcashd rejects
/// these values, before comparing the hash.)
pub fn to_expanded(&self) -> Option<ExpandedDifficulty> {
pub fn to_expanded(self) -> Option<ExpandedDifficulty> {
// The constants for this floating-point representation.
// Alias the struct constants here, so the code is easier to read.
const BASE: u32 = CompactDifficulty::BASE;
@ -251,7 +251,7 @@ impl CompactDifficulty {
/// valid chain.
///
/// [Zcash Specification]: https://zips.z.cash/protocol/protocol.pdf#workdef
pub fn to_work(&self) -> Option<Work> {
pub fn to_work(self) -> Option<Work> {
let expanded = self.to_expanded()?;
Work::try_from(expanded).ok()
}
@ -334,7 +334,7 @@ impl ExpandedDifficulty {
/// `target_difficulty_limit`.
///
/// Neither of these methods yield zero values.
pub fn to_compact(&self) -> CompactDifficulty {
pub fn to_compact(self) -> CompactDifficulty {
// The zcashd implementation supports negative and zero compact values.
// These values are rejected by the protocol rules. Zebra is designed so
// that invalid states are not representable. Therefore, this function