nexedit 0.2.2

A vim-like text editor, with simple shortcuts.
Documentation 
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use crate::commands::Result;
use crate::errors::*;
use crate::models::application::Application;

pub fn scroll_up(app: &mut Application) -> Result {
    let buffer = app
        .workspace
        .current_buffer
        .as_ref()
        .ok_or(BUFFER_MISSING)?;
    app.view.scroll_up(buffer, 10)?;
    Ok(())
}

pub fn scroll_down(app: &mut Application) -> Result {
    let buffer = app
        .workspace
        .current_buffer
        .as_ref()
        .ok_or(BUFFER_MISSING)?;
    app.view.scroll_down(buffer, 10)?;
    Ok(())
}

pub fn scroll_to_cursor(app: &mut Application) -> Result {
    let buffer = app
        .workspace
        .current_buffer
        .as_ref()
        .ok_or(BUFFER_MISSING)?;
    app.view.scroll_to_cursor(buffer)?;
    Ok(())
}

pub fn scroll_cursor_to_center(app: &mut Application) -> Result {
    let buffer = app
        .workspace
        .current_buffer
        .as_ref()
        .ok_or(BUFFER_MISSING)?;
    app.view.scroll_to_center(buffer)?;
    Ok(())
}