Struct hdbconnect::types::NCLob [−][src]
pub struct NCLob(_);
NCLob implementation that is used with HdbValue::NCLOB
.
Methods
impl NCLob
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impl NCLob
pub fn len(&self) -> HdbResult<usize>
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pub fn len(&self) -> HdbResult<usize>
Length of contained String
pub fn is_empty(&self) -> HdbResult<bool>
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pub fn is_empty(&self) -> HdbResult<bool>
Is container empty
pub fn max_size(&self) -> usize
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pub fn max_size(&self) -> usize
Returns the maximum size of the internal buffers.
pub fn into_string(self) -> HdbResult<String>
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pub fn into_string(self) -> HdbResult<String>
Returns the contained String.
Trait Implementations
impl Clone for NCLob
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impl Clone for NCLob
ⓘImportant traits for NCLobfn clone(&self) -> NCLob
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fn clone(&self) -> NCLob
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Debug for NCLob
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impl Debug for NCLob
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl Read for NCLob
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impl Read for NCLob
fn read(&mut self, buf: &mut [u8]) -> Result<usize>
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fn read(&mut self, buf: &mut [u8]) -> Result<usize>
Pull some bytes from this source into the specified buffer, returning how many bytes were read. Read more
unsafe fn initializer(&self) -> Initializer
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unsafe fn initializer(&self) -> Initializer
read_initializer
)Determines if this Read
er can work with buffers of uninitialized memory. Read more
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
1.0.0[src]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
Read all bytes until EOF in this source, placing them into buf
. Read more
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
Read all bytes until EOF in this source, appending them to buf
. Read more
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
1.6.0[src]
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
Read the exact number of bytes required to fill buf
. Read more
fn by_ref(&mut self) -> &mut Self
1.0.0[src]
fn by_ref(&mut self) -> &mut Self
Creates a "by reference" adaptor for this instance of Read
. Read more
fn bytes(self) -> Bytes<Self>
1.0.0[src]
fn bytes(self) -> Bytes<Self>
Transforms this Read
instance to an [Iterator
] over its bytes. Read more
fn chars(self) -> Chars<Self>
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fn chars(self) -> Chars<Self>
: Use str::from_utf8 instead: https://doc.rust-lang.org/nightly/std/str/struct.Utf8Error.html#examples
🔬 This is a nightly-only experimental API. (io
)
the semantics of a partial read/write of where errors happen is currently unclear and may change
Transforms this Read
instance to an [Iterator
] over [char
]s. Read more
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
1.0.0[src]
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
Creates an adaptor which will chain this stream with another. Read more
fn take(self, limit: u64) -> Take<Self>
1.0.0[src]
fn take(self, limit: u64) -> Take<Self>
Creates an adaptor which will read at most limit
bytes from it. Read more