[−][src]Struct mail_headers::_SoftAsciiStr
A str
wrapper adding a "is us-ascii" soft constraint.
This means that it should be ascii but is not guaranteed to be ascii. Which means non ascii chars are not a safety issue just a potential bug.
This is useful for situations where:
- you would have many unsafe from str conversions/"unnecessary" checks with a strict AsciiStr
- you rarely have to strictly rely on the value being ascii
Note
Some functions which should be implemented directly
on SoftAsciiStr
like e.g. trim_matches
are only
provided through .as_str()
. This
is because the Pattern API and SliceIndex API is unstable
i.e. can only be implemented in unstable for now.
Once it gets stabilized (rust #27721/#35729) implementations
can be added
Methods
impl SoftAsciiStr
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pub fn from_unchecked(s: &str) -> &SoftAsciiStr
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pub fn from_str_unchecked(s: &str) -> &SoftAsciiStr
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use from_unchecked
pub fn from_unchecked_mut(s: &mut str) -> &mut SoftAsciiStr
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pub fn from_str(source: &str) -> Result<&SoftAsciiStr, FromSourceError<&str>>
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pub fn revalidate_soft_constraint(
&self
) -> Result<&SoftAsciiStr, FromSourceError<&str>>
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&self
) -> Result<&SoftAsciiStr, FromSourceError<&str>>
reruns checks if the "is us-ascii" soft constraint is still valid
pub fn as_str(&self) -> &str
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pub fn into_soft_ascii_string(self: Box<SoftAsciiStr>) -> SoftAsciiString
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pub fn from_boxed_str(bs: Box<str>) -> Box<SoftAsciiStr>
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pub fn into_boxed_str(self: Box<SoftAsciiStr>) -> Box<str>
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pub fn lines(&self) -> SoftAsciiLines
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pub fn split_whitespace(&self) -> SoftAsciiSplitWhitespace
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pub fn char_indices(&self) -> SoftAsciiCharIndices
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pub fn chars(&self) -> SoftAsciiChars
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pub fn split_at(&self, mid: usize) -> (&SoftAsciiStr, &SoftAsciiStr)
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pub unsafe fn slice_unchecked(&self, begin: usize, end: usize) -> &SoftAsciiStr
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pub fn inner_str_mut(&mut self) -> &mut str
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returns a mutable str
reference to the inner buffer
Soft Constraint
be aware that it is very easy to introduce bugs when
directly editing a SoftAsciiStr
as an str
. Still
compared to a AsciiStr implementation this won't
introduce unsafety, just possible brakeage of the
soft constraint that the data should be ascii.
pub fn parse<F>(&self) -> Result<F, <F as FromStr>::Err> where
F: FromStr,
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F: FromStr,
impl SoftAsciiStr
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pub fn to_lowercase(&self) -> SoftAsciiString
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impl SoftAsciiStr
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pub fn to_uppercase(&self) -> SoftAsciiString
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impl SoftAsciiStr
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pub fn repeat(&self, n: usize) -> SoftAsciiString
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impl SoftAsciiStr
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pub fn trim_right(&self) -> &SoftAsciiStr
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pub fn trim_left(&self) -> &SoftAsciiStr
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pub fn trim(&self) -> &SoftAsciiStr
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impl SoftAsciiStr
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pub fn len(&self) -> usize
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pub fn is_empty(&self) -> bool
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pub fn is_char_boundary(&self, index: usize) -> bool
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pub fn as_ptr(&self) -> *const u8
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pub fn encode_utf16(&self) -> EncodeUtf16
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pub fn is_ascii(&self) -> bool
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pub fn as_bytes(&self) -> &[u8]
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Trait Implementations
impl Ord for SoftAsciiStr
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fn cmp(&self, other: &SoftAsciiStr) -> Ordering
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fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
fn clamp(self, min: Self, max: Self) -> Self
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clamp
)Returns max if self is greater than max, and min if self is less than min. Otherwise this will return self. Panics if min > max. Read more
impl Eq for SoftAsciiStr
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impl<'a> PartialEq<Cow<'a, str>> for SoftAsciiStr
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fn eq(&self, other: &Cow<'a, str>) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a, 'b> PartialEq<Cow<'b, str>> for &'a SoftAsciiStr
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fn eq(&self, other: &Cow<'b, str>) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl PartialEq<OsString> for SoftAsciiStr
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fn eq(&self, other: &OsString) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl PartialEq<str> for SoftAsciiStr
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fn eq(&self, other: &str) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl PartialEq<SoftAsciiString> for SoftAsciiStr
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fn eq(&self, other: &SoftAsciiString) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl PartialEq<OsStr> for SoftAsciiStr
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fn eq(&self, other: &OsStr) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl PartialEq<SoftAsciiStr> for SoftAsciiStr
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fn eq(&self, other: &SoftAsciiStr) -> bool
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fn ne(&self, other: &SoftAsciiStr) -> bool
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impl<'a, 'b> PartialEq<Cow<'a, SoftAsciiStr>> for &'a SoftAsciiStr
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fn eq(&self, other: &Cow<'a, SoftAsciiStr>) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a> PartialEq<Cow<'a, SoftAsciiStr>> for SoftAsciiStr
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fn eq(&self, other: &Cow<'a, SoftAsciiStr>) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a> PartialEq<OsString> for &'a SoftAsciiStr
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fn eq(&self, other: &OsString) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl PartialEq<String> for SoftAsciiStr
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fn eq(&self, other: &String) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a> PartialEq<SoftAsciiString> for &'a SoftAsciiStr
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fn eq(&self, other: &SoftAsciiString) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a> PartialEq<String> for &'a SoftAsciiStr
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fn eq(&self, other: &String) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a> Default for &'a SoftAsciiStr
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fn default() -> &'a SoftAsciiStr
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impl AsRef<SoftAsciiStr> for SoftAsciiStr
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fn as_ref(&self) -> &SoftAsciiStr
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impl AsRef<[u8]> for SoftAsciiStr
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impl AsRef<OsStr> for SoftAsciiStr
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impl AsRef<str> for SoftAsciiStr
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impl AsRef<Path> for SoftAsciiStr
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impl ToSocketAddrs for SoftAsciiStr
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type Iter = IntoIter<SocketAddr>
Returned iterator over socket addresses which this type may correspond to. Read more
fn to_socket_addrs(&self) -> Result<IntoIter<SocketAddr>, Error>
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impl Display for SoftAsciiStr
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impl ToOwned for SoftAsciiStr
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type Owned = SoftAsciiString
fn to_owned(&self) -> SoftAsciiString
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fn clone_into(&self, target: &mut Self::Owned)
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🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl Hash for SoftAsciiStr
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fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
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__H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Index<RangeTo<usize>> for SoftAsciiStr
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type Output = SoftAsciiStr
The returned type after indexing.
fn index(
&self,
index: RangeTo<usize>
) -> &<SoftAsciiStr as Index<RangeTo<usize>>>::Output
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&self,
index: RangeTo<usize>
) -> &<SoftAsciiStr as Index<RangeTo<usize>>>::Output
impl Index<Range<usize>> for SoftAsciiStr
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type Output = SoftAsciiStr
The returned type after indexing.
fn index(
&self,
index: Range<usize>
) -> &<SoftAsciiStr as Index<Range<usize>>>::Output
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&self,
index: Range<usize>
) -> &<SoftAsciiStr as Index<Range<usize>>>::Output
impl Index<RangeFull> for SoftAsciiStr
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type Output = SoftAsciiStr
The returned type after indexing.
fn index(&self, index: RangeFull) -> &<SoftAsciiStr as Index<RangeFull>>::Output
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impl Index<RangeFrom<usize>> for SoftAsciiStr
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type Output = SoftAsciiStr
The returned type after indexing.
fn index(
&self,
index: RangeFrom<usize>
) -> &<SoftAsciiStr as Index<RangeFrom<usize>>>::Output
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&self,
index: RangeFrom<usize>
) -> &<SoftAsciiStr as Index<RangeFrom<usize>>>::Output