compact-string-0.3: Contents Index

Data.CompactString.Unsafe Portability untested Stability experimental Maintainer twanvl@gmail.com

Contents Basic interface Conversion from ByteString

Description

Unsafe functions on CompactStrings. All these functions can lead to crashes if not used properly.

Synopsis

unsafeHead :: Encoding a => CompactString a -> Char unsafeLast :: Encoding a => CompactString a -> Char unsafeTail :: Encoding a => CompactString a -> CompactString a unsafeInit :: Encoding a => CompactString a -> CompactString a unsafeFromByteString :: ByteString -> CompactString a

Basic interface

unsafeHead :: Encoding a => CompactString a -> Char

A variety of head for non-empty CompactString. unsafeHead omits the check for the empty case, so there is an obligation on the programmer to provide a proof that the CompactString is non-empty.

unsafeLast :: Encoding a => CompactString a -> Char

A variety of last for non-empty CompactString. unsafeLast omits the check for the empty case, so there is an obligation on the programmer to provide a proof that the CompactString is non-empty.

unsafeTail :: Encoding a => CompactString a -> CompactString a

A variety of tail for non-empty CompactString. unsafeTail omits the check for the empty case, so there is an obligation on the programmer to provide a proof that the CompactString is non-empty.

unsafeInit :: Encoding a => CompactString a -> CompactString a

A variety of init for non-empty CompactString. unsafeInit omits the check for the empty case, so there is an obligation on the programmer to provide a proof that the CompactString is non-empty.

Conversion from ByteString

unsafeFromByteString :: ByteString -> CompactString a

Convert a ByteString to a CompactString, does not check whether the ByteString represents a valid string in the encoding a.

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