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common: improve documentation of Hash.SetBytes (#15062) 

Fixes #15004
This commit is contained in:
Martin Holst Swende 2017-09-07 23:32:59 +02:00 committed by Felix Lange
parent c1740e4540
commit fc87bc5f52
1 changed files with 2 additions and 2 deletions
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4
common/types.go
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@ -88,7 +88,7 @@ func (h Hash) MarshalText() ([]byte, error) {
return hexutil.Bytes(h[:]).MarshalText() return hexutil.Bytes(h[:]).MarshalText()
} }
// Sets the hash to the value of b. If b is larger than len(h) it will panic // Sets the hash to the value of b. If b is larger than len(h), 'b' will be cropped (from the left).
func (h *Hash) SetBytes(b []byte) { func (h *Hash) SetBytes(b []byte) {
if len(b) > len(h) { if len(b) > len(h) {
b = b[len(b)-HashLength:] b = b[len(b)-HashLength:]
@ -97,7 +97,7 @@ func (h *Hash) SetBytes(b []byte) {
copy(h[HashLength-len(b):], b) copy(h[HashLength-len(b):], b)
} }
// Set string `s` to h. If s is larger than len(h) it will panic // Set string `s` to h. If s is larger than len(h) s will be cropped (from left) to fit.
func (h *Hash) SetString(s string) { h.SetBytes([]byte(s)) } func (h *Hash) SetString(s string) { h.SetBytes([]byte(s)) }
// Sets h to other // Sets h to other