Macro mysql::params
[−]
[src]
macro_rules! params { () => { ... }; (@to_pair $name:expr => $value:expr) => { ... }; (@to_pair $name:ident) => { ... }; (@expand $vec:expr;) => { ... }; (@expand $vec:expr; $name:expr => $value:expr, $($tail:tt)*) => { ... }; (@expand $vec:expr; $name:expr => $value:expr $(, $tail:tt)*) => { ... }; (@expand $vec:expr; $name:ident, $($tail:tt)*) => { ... }; (@expand $vec:expr; $name:ident $(, $tail:tt)*) => { ... }; ($i:ident, $($tail:tt)*) => { ... }; ($i:expr => $($tail:tt)*) => { ... }; ($i:ident) => { ... }; }
This macro is a convenient way to pass named parameters to a statement.
ⓘThis example is not tested
let foo = 42; conn.prep_exec("SELECT :foo, :foo2x", params! { foo, "foo2x" => foo * 2, });