红宝石 |数值 coerce()函数

coerce()是 Ruby 中的一个内置方法，它返回一个包含两个数字的数组，其中包含两个浮点数。

Syntax: num1.coerce(num2)

Parameters: The function needs a number and ndigits to which the precision of decimal digits is kept. In case no ndigits is passed it takes 0 to be the default value. 

Return Value: It returns the smallest number which is greater than or equal to the given number by keeping a precision of n digits of the decimal part.

示例 1 ：

Ruby

# Ruby program for coerce() method in Numeric
 
# Initialize a number
num1 = 1.7
num2 = 1.2
 
# Function used
arr = num1.coerce(num2)
 
# Prints coerce() of num
puts arr

输出：

1.7
1.2

示例 2 ：

红宝石

# Ruby program for ceil() method in Numeric
 
# Initialize a number
num1 = 2.8
num2 = 0.7
 
# Function used
arr = num1.coerce(num2)
 
# Prints coerce() of num
puts arr

输出：

0.7
2.8