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Noobs guru
3,847 Pointswhy is the ":" sign at the end rather the begining of a symbol> isnt the right syntax :symbol rather than symbol:
when pushing hash into the array
class BankAccount
attr_reader :name
def initialize(name)
@name = name
@transactions = []
end
def add_transaction(description, amount)
@transactions.push(:description description, :amount amount)
end
end
3 Answers
William Li
Courses Plus Student 26,868 PointsIn Ruby's Hash literal.
{description: description, amount: amount}
# is just a shorthand of writing the following line
{:description => description, :amount => amount}
Noobs guru
3,847 Pointsthe narattor skipped that one,,,{!!!}
William Li
Courses Plus Student 26,868 PointsReally? Jason did?
But anyway, yeah, since when writing Ruby code, you'll write a lot of Hash, so Ruby just give you a shorthand, more concise way of writing it.
Noobs guru
3,847 Pointsive done all the hash tutorial, and tis syntax never appears. Jason simply used it without explaing this secret trick...:\