The following persons shall not be competent to testify:
- (1) Those who are of unsound mind, or intoxicated at the time of their production for examination, and
- (2) Those who appear incapable of receiving just impressions of the facts, respecting which they are examined, or of relating them truly.
[ 1986 c 195 s 2; Code 1881 s 391; 1877 p 86 s 393; 1869 p 103 s 386; 1863 p 154 s 33; 1854 p 186 s 293; RRS s 1213.]