Compile error for two dimensional arrays

The following code won't compile:
```
const colors : number[][] = 
[
    [1, 2]
]; 
```
with error:
```
File: '/home/user/WORK/tsnative-boilerplate/ts/main.ts'
Expression: ' 
[
    [1, 2]
]'
Line: '114'
Column: '1'
[ '/home/user/WORK/tsnative-boilerplate/ts/main.ts' ]
Error: Array 'push' for type 'number[]' not found
```