Module chain_lib::calculator

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pub mod calculator; is a Rust code snippet that declares a module named calculator and makes it public (pub). This means that the contents of the calculator module can be accessed from outside the current module or crate.

Functions

  • The function try_add in Rust attempts to add two u128 values and returns the sum as an Option<u128> if the result does not overflow.
  • The function try_div in Rust attempts to divide two u128 numbers and returns the result as an Option<u128>, or None if the division is not exact.
  • This Rust function calculates the remainder of dividing one unsigned 128-bit integer by another, returning an Option with the result or None if the divisor is zero.
  • The function try_mul in Rust attempts to multiply two u128 numbers and returns the result as an Option<u128>, ensuring no overflow occurs.
  • The function try_sub in Rust attempts to subtract two u128 values and returns the result if it is greater than the second value, otherwise it returns None.