Macro anchor_lang::require_eq
source · macro_rules! require_eq { ($value1: expr, $value2: expr, $error_code:expr $(,)?) => { ... }; ($value1: expr, $value2: expr $(,)?) => { ... }; }
Expand description
Ensures two NON-PUBKEY values are equal.
Use require_keys_eq to compare two pubkeys.
Can be used with or without a custom error code.
§Example
ⓘ
pub fn set_data(ctx: Context<SetData>, data: u64) -> Result<()> {
require_eq!(ctx.accounts.data.data, 0);
ctx.accounts.data.data = data;
Ok(())
}