Macro mysql_common::params
source · macro_rules! params { () => { ... }; (@to_pair $map:expr, $name:expr => $value:expr) => { ... }; (@to_pair $map:expr, $name:ident) => { ... }; (@expand $map:expr;) => { ... }; (@expand $map:expr; $name:expr => $value:expr, $($tail:tt)*) => { ... }; (@expand $map:expr; $name:expr => $value:expr $(, $tail:tt)*) => { ... }; (@expand $map:expr; $name:ident, $($tail:tt)*) => { ... }; (@expand $map:expr; $name:ident $(, $tail:tt)*) => { ... }; ($i:ident, $($tail:tt)*) => { ... }; ($i:expr => $($tail:tt)*) => { ... }; ($i:ident) => { ... }; }
Expand description
This macro is a convenient way to pass named parameters to a statement.
ⓘ
let foo = 42;
conn.prep_exec("SELECT :foo, :foo2x", params! {
foo,
"foo2x" => foo * 2,
});