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use crate::encode::{Encode, IsNull};
use crate::mssql::protocol::type_info::{DataType, TypeInfo};
use crate::mssql::{Mssql, MssqlTypeInfo};
mod bool;
mod float;
mod int;
mod str;
impl<'q, T: 'q + Encode<'q, Mssql>> Encode<'q, Mssql> for Option<T> {
fn encode(self, buf: &mut Vec<u8>) -> IsNull {
if let Some(v) = self {
v.encode(buf)
} else {
IsNull::Yes
}
}
fn encode_by_ref(&self, buf: &mut Vec<u8>) -> IsNull {
if let Some(v) = self {
v.encode_by_ref(buf)
} else {
IsNull::Yes
}
}
fn produces(&self) -> Option<MssqlTypeInfo> {
if let Some(v) = self {
v.produces()
} else {
Some(MssqlTypeInfo(TypeInfo::new(DataType::Null, 0)))
}
}
fn size_hint(&self) -> usize {
self.as_ref().map_or(0, Encode::size_hint)
}
}