associate with 的同义词
时间: 2023-05-24 14:07:06 浏览: 119
- Connect with
- Relate to
- Link to
- Identify with
- Affiliated with
- Associate to
- Correlate with
- Interconnect with
- Tie to
- Align with
相关问题
fortran associate
Fortran's associate construct is used to create an association between two variables. It allows one variable to be associated with another variable or expression, meaning that they refer to the same memory location. This can be useful in situations where you want to have multiple names for the same data, or when you want to manipulate data indirectly through another variable.
Here's an example of how the associate construct can be used in Fortran:
```fortran
program associate_example
implicit none
real :: x
real, pointer :: ptr
x = 3.14
associate (ptr => x)
! ptr is now associated with x
ptr = ptr + 1.0
! This will modify the value of x as well
print *, "x =", x
end associate
end program associate_example
```
In this example, the associate construct is used to associate the pointer variable `ptr` with the variable `x`. Any modification made to `ptr` will also modify the value of `x`. In this case, we add 1.0 to `ptr`, which effectively increments the value of `x`. The final `print` statement will display the updated value of `x`.
It's important to note that the associate construct should be used with caution, as it can make code harder to understand and maintain. Improper use of associations can lead to logical errors and bugs.
kotlin associate 举例
在 Kotlin 中,可以使用 `associate` 函数将一个集合转换为一个 Map,其中集合中的每个元素都会被转换为 Map 的一个键值对。`associate` 函数可以接收一个 lambda 表达式作为转换规则,lambda 表达式的参数为集合中的每个元素,返回一个键值对,其中第一个元素为键,第二个元素为值。
以下是一个示例,假设有一个包含多个人信息的列表,每个人信息包含了姓名和年龄,我们可以使用 `associate` 函数将这个列表转换为以姓名为键,年龄为值的 Map:
```kotlin
data class Person(val name: String, val age: Int)
fun main() {
val persons = listOf(Person("Alice", 29), Person("Bob", 31), Person("Charlie", 25))
val map = persons.associate { it.name to it.age }
println(map)
}
```
输出结果为:
```
{Alice=29, Bob=31, Charlie=25}
```
在上面的示例中,我们使用 `associate` 函数将 `persons` 列表转换为一个 Map,转换规则为将每个元素的 `name` 属性作为键,`age` 属性作为值。最后将转换后的 Map 打印出来。
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