DecimalArithmetic.sigil_m

You're seeing just the function sigil_m, go back to DecimalArithmetic module for more information.
Link to this function

sigil_m(string, list)

Casts string literal to Decimal.t.

Examples

iex> ~m[89.01]
#Decimal<89.01>
iex> ~m{34.34}
#Decimal<34.34>
iex> ~m(1)
#Decimal<1>