How to remove array elements nicely in ruby?

Question

ruby

[{a: 1, b: 1, c: nil}, {a: 1, b: 2, c: 0}, {a: 2, b: 3, c: 4}]

you need to remove all elements if the element is equal to: {a: 1, b: any, c: any}
Well, something like this from the documentation:

arr = [1, 2, 2, 3]
arr.delete(2) #=> 2
arr #=> [1,3]

those.:

arr = {a: 1, b: 1, c: nil}, {a: 1, b: 2, c: 0}, {a: 2, b: 3, c: 4}
arr.delete {a: 1, b: x, c: x}
arr #=>  [{a: 2, b: 3, c: 4}]

Answer 1

arr.delete_if { |x| x[:a] == 1 }